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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. 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
A+b
1/2bh
Transitive
Negative
2. In the law of proportion if a/b = c/d then (a - b)/b =
Slope
Equal
(c - d)/d
180
3. 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
Linear substitute
Parallelogram
Rectangle
(c+d)/d
4. The volume of a cube is
Distance between 2 points
Point circle does not exist
(n/360) X 2pi r
A^3
5. y2- y1 divided by x2- x1 = the ____________
A(bc)
Slope
Vertices
Chord
6. A line that intersects a circle in tow point is called the _______
Parallelogram
One
Secant
Vertices
7. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Inverse
A(bc)
Commutative
Trapezoid
8. When you see f of g replace the x in f(x) with the ___________
Associative
Index
Angle
G value
9. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Arc
Ratio
Bisect
G value
10. The sum of the interior angles of a triangle = ___________
Isosceles
180
n
Commutative
11. The side of a right triangle opposite the right angle
x over 100
Hypotenuse
Inverse
Consecutive angles
12. What is a quadrilateral with 2 and only 2 sides parallel
Trapezoid
N!/(r!(n - r)!)
Slope
((n -2) (180))/n
13. Is a polygon whose sides are equal in measure
Equilateral polygon
(n/360) X 2pi r
Negative
Area of a polygon
14. The surface area of a cube is what formula
Point circle does not exist
Coplanar
6a^2
Congruent
15. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
N!/(r!(n - r)!)
Triangle
Isosceles
16. If a triangle has two congruent sides then it is an _________triangle
1/2bh
Symmetric
Straight
Isosceles
17. 1/a^n can also be written as a to the ______
A+b
S^2
Equiangular polygon
n
18. A set of points in the seame plane equidistant from a fixed point - called its center
Slope
Quadratic formula
Parallel
Circle
19. The graph of y= ax^2 + bx + c is a curve know as a ____________
Angle
Parabola
1/2bh
Rectangle
20. A triangle with a 90 degrees angle
Multiply
Distance
Right
N!/(r!(n - r)!)
21. What is the square of ((x1-x2) + (y1- y2)) =
Downward
Distance between 2 points
Reflex
(4ac - b^2)/4a
22. What is the formula to calculate the area of a rectangle
Lw
Obtuse
Subtract substitute
Parallel
23. A ___________is a figure with the same number of sides as angles
Polygon
A(bc)
(n/360) X 2pi r
Point line
24. A triangle whose sides are equal
Inverse
Equilateral
Complex
Side square root
25. A collection of points lying on a flat surface that extend indefinitely in any direction
Hypotenuse
Rectangle
Plane
Isosceles
26. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
A^3
Acute
4pi r^2
Area of a polygon
27. The square of 0 is _____
0
Reflexive
Secant
Central angle
28. Three or more points are said to be ___________if an only if they lie on the same line
Pi(d) 2(pi)r
1/2h (b1 + b2)
Square
Collinear
29. What is the formula for a combination (where order matters)
Length number
Bisector
N!/(r!(n - r)!)
Complimentary
30. Two angles with a common vertex and a common side but no common interior points
Adjacent
Index
S^2
Inverse
31. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
4pi r^2
Hyotenuse
Index
Multiply
32. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)
Associative
1
Perpendicular
Trapezoid
33. What is the volume of a sphere with a radius r
Straight line
4/3 pi r^3
Multiply
Bisect
34. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Rhomus
Acute
Side square root
Adjacent
35. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Radius
Vertices
D/c
Complex
36. What is the surface area of a right circular cylinder with a radius of r and a height of h
Straight
2pi r^2 + 2pi rh
Line
Vertices
37. The square of both a positive number and a negative real number is _____________
Arc
1/2bh
Positive
Negative
38. Log base b to the b = ____________
1
(pi)r ^2
Parabola
2pi r^2 + 2pi rh
39. 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 ___________
Complex
Extranous excluded
Plane
Y
40. What is the formula for a square if you only know the length of the diaganol
1/2 (d)^2
Obtuse angle
Isosceles
Triangle
41. The ____________ says y - y1= m(x-x1)
(4ac - b^2)/4a
x over 100
Central angle
Point slope formula
42. An angle whose measure is greater than 180 degrees and less than 360 degrees
4pi r^2
4/3 pi r^3
Equilateral polygon
Reflex
43. If you want to convert a fraction to a percentage you need to make it =
x over 100
Acute
Positive
Pi(d) 2(pi)r
44. The y value of the vertex of parabola is the equation
N!/(r!(n - r)!)
(4ac - b^2)/4a
Equiangular polygon
Consecutive angles
45. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Factor
Pi r^2 h
Bc
2pi r^2 + 2pi rh
46. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
N!/ (n - r)!
Ab
Point line
Parabola
47. A triangle whose angles all equal 60 degrees
Central angle
Equiangular
Angle
Mildline
48. What is the area of a pyramid or cone (hint B= area of Base)
1/3Bh
Scalene
Right
I
49. ___________is a quadrilateral whose opposite sides are parallel
Obtuse angle
Parallelogram
Congruence
Lw
50. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Exterior angle
1/2 (d)^2
Right
(4ac - b^2)/4a