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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. The surface area of a cube is what formula
Point slope formula
Right angle
Bisect
6a^2
2. What is the formula to calculate the area of a rectangle
A+b
1
180
Lw
3. A parallelogram with right angles and equal diagonals
Side square root
n
Rectangle
I
4. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Rhomus
6a^2
((n -2) (180))/n
1
5. An angle whose measure is 90 degrees
Commutative
Right angle
Plane
Triangle
6. What is the formula for a square if you only know the length of the diaganol
1/2 (d)^2
Parallelogram
x
Length number
7. For each real number a - for each real number b - if a= b - then b=a
Symmetric
Isosceles
Bc
Secant
8. Two angles whose sum totals 180 degrees
Positive
Supplementary
Rectangle
Ellipse
9. In a quadratic equation in 2 unknowns has the general formula ax^2 + bxy + cy^2+dx ey+ f = 0 the graph is called an __________ (if a - b and c are not zero)
n
D/c
Y
Ellipse
10. What is the formula for the area of a triangle
Congruent
1/2h (b1 + b2)
Apothem
1/2bh
11. What type of trapezoid has its non parallel sides equal
Isosceles
Straight
Parabola
Obtuse angle
12. What is the formula for the area of a rhomus - (hint d= diagonal)
Perpendicular
(n/360) X 2pi r
1/2 (d1 + d2)
Pi r^2 h
13. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
A+b
1/2 (d)^2
Straight
Added
14. A triangle whose angles all equal 60 degrees
Secant
(pi)r ^2
Equiangular
Radius
15. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Linear substitute
Acute
Exterior angle
Factor
16. What is the volume of a sphere with a radius r
4/3 pi r^3
Hypotenuse
Straight line
N!/(r!(n - r)!)
17. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Multiply
Rhomus
Equilateral
Hyotenuse
18. What is the formula for the area of a square
S^2
1
Rectangle
0
19. Is a polygon whose sides are equal in measure
Arc
G value
Equilateral polygon
Bc
20. An angle whose measure is larger than 90 degrees but less than 180 degrees
Area of a polygon
Ellipse
Distance
Obtuse angle
21. In the law of proportion if a/b = c/d then b/a =
A+b
(n/360) X 2pi r
Line
D/c
22. Positions = number of position can be calculated by finding the ______ of the total number of items
Secant
1
Ratio
Factoral
23. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Circle
A^3
Radius
Isosceles
24. 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
6a^2
Parabola parallel line
Exterior angle
Pi(d) 2(pi)r
25. What is the formula for a combination (where order matters)
N!/(r!(n - r)!)
Consecutive angles
Length number
Straight line
26. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem
Quadratic formula
Radius
Parallel
4pi r^2
27. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
Point circle does not exist
Right angle
1/2h (b1 + b2)
28. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Complex
Side square root
Subtract substitute
Multiply
29. The x value of the vertex of a parabola is the equation
Right
Straight
b/2a
Isosceles
30. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Vertical
1/3 pi r^2 h
Coplanar
Isosceles
31. What is 4 to the power of 1/2 or 4^1/2
0
1/3 pi r^2 h
2
Ab
32. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Bc
A+b
Parabola parallel line
Congruent
33. What is the surface area of a sphere with a radius r
Rhomus
4pi r^2
Plane
1
34. Is a polygon whose angles are equal in measurement
Straight
Equiangular polygon
Factor
Collinear
35. What property of equality says that a=a
Pi(d) 2(pi)r
Parallel
Reflexive
Triangle
36. The _______ tells how many times the root needs to be multiplied by itself
Equilateral polygon
Index
Point line
Vertices
37. 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
Hyperbola
Pi r^2 h
Equal
Subtract substitute
38. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Exterior angle
Acute
Parabola parallel line
Length number
39. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Equiangular polygon
Subtract substitute
((n -2) (180))/n
I
40. A closed three sided figure is called a ____________
Triangle
Chord
Angle
6a^2
41. A rhomus with a right angle
Square
0
Positive
Negative
42. Three or more points are said to be ___________if an only if they lie on the same line
Every
Collinear
Downward
Apothem
43. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Symmetric
Acute
Associative
Chord
44. If you want to convert a fraction to a percentage you need to make it =
x over 100
Ellipse
Bc
((n -2) (180))/n
45. In a quadratic equation in 2 unknowns has the general formula ax^2 + bxy + cy^2+dx +ey+ f = 0 the graph is called an __________or a __________ or __________(b=0 and a=c)
Slope
(n/360) X 2pi r
Obtuse
Point circle does not exist
46. 1/a^n can also be written as a to the ______
S^2
1/3 pi r^2 h
n
Hypotenuse
47. In the law of proportion if a/b = c/d then ad =
N!/(r!(n - r)!)
Bc
Equiangular polygon
Polygon
48. In a logarithm the answer following the = sign is the __________
Multiply
Parabola
Exponent
Length number
49. A triangle with having at least 2 equal sides
Subtract substitute
Vertical
Parallel
Isosceles
50. Two angles whose sum totals 90 degrees
Hyotenuse
Complimentary
Right
Reflex