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Test your basic knowledge |
Praxis I Math
Start Test
Study First
Subjects
:
praxis
,
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. A triangle with no equal sides
Vertical
Scalene
(pi)r ^2
180
2. Every real number is a ______________
180
1/2 (d1 + d2)
Complex
Multiply
3. To find the x intersept we need to make __________= 0
Y
(4ac - b^2)/4a
S^2
Supplementary
4. An angle whose measure is 180 degrees
Isosceles
Reflexive
6a^2
Straight
5. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Bisect
Vertical
Isosceles
Polygon
6. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist
Equiangular
Hyperbola
Parabola parallel line
Pi r^2 h
7. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
1
Parallelogram
Added
((n -2) (180))/n
8. What is the volume of a sphere with a radius r
Ax+ by = c
Circumscribed circle
1/2 (d)^2
4/3 pi r^3
9. A series adjacent points that connect
Ab
A+b
Line
Right
10. 1/a^n can also be written as a to the ______
Perpendicular
n
Ax+ by = c
Distance
11. What is the surface area of a right circular cylinder with a radius of r and a height of h
2pi r^2 + 2pi rh
Transitive
Side square root
N!/(r!(n - r)!)
12. Positions = number of position can be calculated by finding the ______ of the total number of items
Ab
Y
Factoral
Ray
13. In the law of proportion if a/b = c/d then (a - b)/b =
Line
Altitude
(c - d)/d
1
14. When solving a system of equation involving quadratics and one is linear and the other is quadratic - solve the _______ first - then substitue the found value into the quadratic and solve for the other unknown
Parabola
2
Acute
Linear substitute
15. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Pi r^2 h
Consecutive angles
Transitive
Every
16. What is the surface area of a sphere with a radius r
Size
1/2bh
4pi r^2
Positive
17. What is the formula for a square if you only know the length of the diaganol
Parallelogram
1/2 (d)^2
6a^2
Hyotenuse
18. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Rhomus
Pi r^2 h
Slope
Point circle does not exist
19. In the law of proportion if a/b = c/d then ad =
N!/(r!(n - r)!)
Congruent
Right angle
Bc
20. An angle whose measure is greater than 180 degrees and less than 360 degrees
Lw
Adjacent
N!/ (n - r)!
Reflex
21. In order to decimal to a percentage you need to ______ by 100
Multiply
I
Point circle does not exist
Distance
22. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Ax+ by = c
Right angle
A(bc)
Complimentary
23. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Right angle
2pi r^2 + 2pi rh
Acute
Multiply
24. What is the formula for the area of a circle
Transitive
Ax+ by = c
Exponent
(pi)r ^2
25. The absolue value of the difference of the coordinates of any two points on the real number line
Radius
Congruence
Distance
Triangle
26. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Transitive
Complex
(c+d)/d
Altitude
27. A line segment joining two poing on a circle is called a ________
S^2
Chord
Size
One
28. A ray _________ divides the angle into 2 angles that have equal measure
Inverse
Apothem
Bisect
Exterior angle
29. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Distance between 2 points
Congruence
1/3 pi r^2 h
A+b
30. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c
Equiangular
Reflex
Transitive
Median
31. How do you calculate the area of a parallelogram - what is the formula
Bh
1/2bh
Supplementary
Ab
32. Angles that are equal
Acute
Congruent
Negative
n
33. What is the square of ((x1-x2) + (y1- y2)) =
Rhomus
Distance between 2 points
Added
Straight
34. What property of equality says that a=a
Reflexive
Associative
Linear substitute
Exterior angle
35. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________
Hyotenuse
Side square root
Extranous excluded
Complex
36. A __________is any process that assigns a ___________value of y to each number of x
A+b
Every
Function single
Linear substitute
37. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Length number
Right angle
Roots
Point slope formula
38. What is the volume of a cone
Coplanar
Slope
1/3 pi r^2 h
1/2bh
39. What is the formula to calculate the area of a rectangle
Lw
Multiply
b/2a
Ellipse
40. An angle whose measure is 90 degrees
Radius
Factor
Straight line
Right angle
41. A __________________ is a circle passing through all the vertices of a polygon
Multiply
Ellipse
Circumscribed circle
1
42. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)
Straight line
Equiangular
Addition subtration
D/c
43. In the law of proportion if a/b = c/d then (a+b)/ b =
(c+d)/d
Polygon
Length number
Rectangle
44. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Complimentary
Roots
Hyotenuse
Pi(d) 2(pi)r
45. Two lines are said to be ______________ if they intersect and form right angles
Perpendicular
Equiangular
Arc
180
46. A _________ number is a number that can be written in the form of a + bi
N!/(r!(n - r)!)
1/2h (b1 + b2)
Negative
Complex
47. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Complimentary
Commutative
Parallel
Vertical
48. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable
Equiangular
Subtract substitute
Right
Equilateral
49. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Acute
Hyotenuse
Bc
Altitude
50. A triangle whose angles all equal 60 degrees
Equiangular
D/c
Parabola
Trapezoid