Test your basic knowledge |

SAT and Act Math Formulas

Subjects : sat, act, math

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Dividing by a negative number in an inequality
When the system of equations have the same slope and y-intercept
Ac+ad+bc+bd
You must flip the sign
Equation

2. Slope intercept form
y=mx+b
Replacing one variable with an equivalent expression containing the other variable
When there is a vertical line that has different y points - but the same x point
Dotted line

3. One solution
The distance across the circle through the center of the circle.The diameter is twice the radius.
When the system of equations have the same slope but different y-intercepts
When the system of equations have different slopes
The distance from one point on the circle to another point on the circle.

4. Zero
When there is a horizontal line that has different x points - but the same y point
x°/360 times (2 pi r) - where x is the degrees in the angle
Opposite ÷ hypotenuse
Graphing the system of equations and finding the point at which they intersect

5. Slope-Intercept
(a+b)²
½(base x height) [or (base x height)÷2]
y=mx+b
Any ordered pair in a system that makes all the equations true

6. Graphing = or < on a coordinate plane
Shade downwards or to the left
A=?r2
½(b1 +b2) x h [or (b1 +b2) x h÷2]
A V-shaped graph that points upward of downward

7. Absolute value equation
A V-shaped graph that points upward of downward
?d OR 2?r
Equation
(a-b)(a+b)

8. A function is ___________ a relation
Linear functions
Shade downwards or to the left
Always
?r²

9. Translation
2 pi r
Solid line
(y2-y1)/(x2-x1)
A shift of a graph horizontally - vertically - or both - which results in a graph of the same shape and size - but in a different position.

10. Substitution method
(a-b)²
Replacing one variable with an equivalent expression containing the other variable
Shade upwards or to the right
A shift of a graph horizontally - vertically - or both - which results in a graph of the same shape and size - but in a different position.

11. Inverse Variation
½(base x height) [or (base x height)÷2]
When the system of equations have the same slope but different y-intercepts
y=k/x
An ange whose vertex is the center of the circle

12. a²-2ab+b²
Solid line
The distance across the circle through the center of the circle.The diameter is twice the radius.
Opposite ÷ adjacent
(a-b)²

13. Elimination method
y-y1=m(x-x1)
Shade downwards or to the left
C =?d
Solving systems by adding or subtracting equations to eliminate a variable

14. Solution of the system of linear equations
y=x or f(x)=x
Any ordered pair in a system that makes all the equations true
y-y1=m(x-x1)
The part of a circle that looks like a piece of pie. A sector is bounded by 2 radii and an arc of the circle.

15. length of a sector
Opposite ÷ hypotenuse
Solid line
y=k/x
x°/360 times (2 pi r) - where x is the degrees in the angle

16. Infinitely many solutions
y=mx+b
x°/360 times (2 pi r) - where x is the degrees in the angle
When the system of equations have the same slope and y-intercept
(a+b)²

17. Area of rectangle - square - parallelogram
The distance from one point on the circle to another point on the circle.
A=bh
A V-shaped graph that points upward of downward
(y2-y1)/(x2-x1)

18. cosine ratio
y=x or f(x)=x
Adjacent ÷ hypotenuse
?r²
y=mx+b

19. Direct Variation
y=kx
(a-b)(a+b)
2 pi r
A=bh

20. Area of a triangle
y=mx+b
?r²
When there is a horizontal line that has different x points - but the same y point
½(base x height) [or (base x height)÷2]

21. (a+b)(c+d)
A shift of a graph horizontally - vertically - or both - which results in a graph of the same shape and size - but in a different position.
y=mx+b
A=bh
Ac+ad+bc+bd

22. a³+b³
y=x or f(x)=x
2 pi r
(a+b)(a²-ab+b²)
2Length + 2width [or (length + width) x 2]

23. Graphing = or > on a coordinate plane
(y2-y1)/(x2-x1)
When there is a vertical line that has different y points - but the same x point
Shade upwards or to the right
A shift of a graph horizontally - vertically - or both - which results in a graph of the same shape and size - but in a different position.

24. Perimeter of a square
A=bh
Solving systems by adding or subtracting equations to eliminate a variable
4s (where s = length of a side)
When there is a horizontal line that has different x points - but the same y point

25. Quadratic Formula
(a-b)²
Solid line
x°/360 times (?r²) - where x is the degrees in the angle
-b±[vb²-4ac]/2a

26. Area of a circle
Always
y-y1=m(x-x1)
?r²
x°/360 times (?r²) - where x is the degrees in the angle

27. a²-b²
-b±[vb²-4ac]/2a
(a-b)(a+b)
A=bh
Opposite ÷ adjacent

28. Perimeter (circumference) of a circle
Always
Equation
An ange whose vertex is the center of the circle
2 pi r

29. Standard form
Ax + By=C - where A - B - and C are not decimals or fractions - where A and B are not both zero - and where A is not a negative
A=?r2
A segment connecting the center of a circle to any point on the circle
?r²

30. Undefined
The distance across the circle through the center of the circle.The diameter is twice the radius.
Ab+ac
y=mx+b
When there is a vertical line that has different y points - but the same x point

31. a(b+c)
Is the set of points which are all the same distance (its radius) from a certian point( the center).
When there is a vertical line that has different y points - but the same x point
Ab+ac
Replacing one variable with an equivalent expression containing the other variable

32. a³-b³
When there is a horizontal line that has different x points - but the same y point
(a-b)(a²+ab+b²)
A=?r2
4s (where s = length of a side)

33. Area of Circles
?r²
A=?r2
A V-shaped graph that points upward of downward
(y2-y1)/(x2-x1)

34. Area of a sector
A segment connecting the center of a circle to any point on the circle
C =?d
y-y1=m(x-x1)
x°/360 times (?r²) - where x is the degrees in the angle

35. sine ratio
Opposite ÷ hypotenuse
When the system of equations have different slopes
A shift of a graph horizontally - vertically - or both - which results in a graph of the same shape and size - but in a different position.
y=k/x

36. Graphing method
(a+b)²
½(base x height) [or (base x height)÷2]
Graphing the system of equations and finding the point at which they intersect
Linear functions

37. No solution
The part of a circle that looks like a piece of pie. A sector is bounded by 2 radii and an arc of the circle.
An ange whose vertex is the center of the circle
(a-b)(a²+ab+b²)
When the system of equations have the same slope but different y-intercepts

38. Sector
Graphing the system of equations and finding the point at which they intersect
y=x or f(x)=x
Ax + By=C - where A - B - and C are not decimals or fractions - where A and B are not both zero - and where A is not a negative
The part of a circle that looks like a piece of pie. A sector is bounded by 2 radii and an arc of the circle.

39. A linear function is a function that _____________ a line
Graphs
Shade upwards or to the right
You must flip the sign
Equation

40. Linear parent function
y=k/x
Any ordered pair in a system that makes all the equations true
Shade upwards or to the right
y=x or f(x)=x

41. Slope
(y2-y1)/(x2-x1)
Ax + By=C - where A - B - and C are not decimals or fractions - where A and B are not both zero - and where A is not a negative
Dotted line
2Length + 2width [or (length + width) x 2]

42. Circle
C =?d
Is the set of points which are all the same distance (its radius) from a certian point( the center).
Graphing the system of equations and finding the point at which they intersect
2 pi r

43. Graphing = or = on a coordinate plane
Replacing one variable with an equivalent expression containing the other variable
½(b1 +b2) x h [or (b1 +b2) x h÷2]
Solid line
Shade downwards or to the left

44. Point-Slope form
y-y1=m(x-x1)
½(b1 +b2) x h [or (b1 +b2) x h÷2]
A=?r2
Ab+ac

45. A parent function is the simplest ____________ of a function
y-y1=m(x-x1)
Equation
Shade upwards or to the right
y=mx+b

46. Graphing < or > on a coordinate plane
Dotted line
Shade downwards or to the left
The distance from one point on the circle to another point on the circle.
Linear functions

47. Central Angle
S² - where s = length of a side
An ange whose vertex is the center of the circle
The distance from one point on the circle to another point on the circle.
Graphs

48. Area of a trapezoid
?r²
½(b1 +b2) x h [or (b1 +b2) x h÷2]
The part of a circle that looks like a piece of pie. A sector is bounded by 2 radii and an arc of the circle.
Equation

49. Radius (Radii)
A segment connecting the center of a circle to any point on the circle
½(base x height) [or (base x height)÷2]
When there is a vertical line that has different y points - but the same x point
Shade downwards or to the left

50. tangent ratio
y=k/x
Opposite ÷ adjacent
2Length + 2width [or (length + width) x 2]
When the system of equations have different slopes

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

SAT and Act Math Formulas

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests