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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. Is a polygon that is both equilateral and equangular
Circle
Regular polygon
(4ac - b^2)/4a
Coplanar
2. The sum of the interior angles of a triangle = ___________
Complex
180
4/3 pi r^3
Pi r^2 h
3. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Equiangular
Downward
Distance between 2 points
Equal
4. What is the surface area of a right circular cylinder with a radius of r and a height of h
Point line
2pi r^2 + 2pi rh
Downward
Ellipse
5. In a function the x value is the ___________variable
Symmetric
Hyotenuse
Dependent
Secant
6. Two lines are said to be ______________ if they intersect and form right angles
Parallelogram
Radius
2
Perpendicular
7. The _______ tells how many times the root needs to be multiplied by itself
Distributive
Perpendicular
Lw
Index
8. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Circumscribed circle
Adjacent
Symmetric
Rhomus
9. A triangle with one obtuse angle (angle greater than 90 degrees) is
Point line
Equal
Ray
Obtuse
10. The union of two rays having the same end point
Complex
Reflex
Angle
Supplementary
11. In the law of proportion if a/b = c/d then ad =
Area of a polygon
Chord
Bc
Vertical
12. In complex numbers the square root of -1 = ______
Coplanar
I
x over 100
Bisect
13. 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)
Inverse
(4ac - b^2)/4a
Addition subtration
Symmetric
14. If a triangle has two congruent sides then it is an _________triangle
Median
Exterior angle
Isosceles
0
15. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Ratio
Commutative
Point circle does not exist
Altitude
16. The value of y where a point intersects the x axis = __________
Polygon
Index
0
Linear substitute
17. Is a polygon whose angles are equal in measurement
(n/360) X 2pi r
Negative
Equiangular polygon
Bh
18. Every real number is a ______________
Complex
Size
Bc
Obtuse
19. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1
1
Multiply
Equilateral
Rhomus
20. The surface area of a cube is what formula
Multiply
Perpendicular
4pi r^2
6a^2
21. If you want to convert a fraction to a percentage you need to make it =
1/2 (d1 + d2)
Collinear
Triangle
x over 100
22. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
Equiangular
Pi(d) 2(pi)r
Circle
23. To calculate a permutation (order does not matter) what is the formula
Equiangular
Distance
Y
N!/ (n - r)!
24. Is a polygon whose sides are equal in measure
Vertical
Reflexive
Obtuse
Equilateral polygon
25. 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 ___________
Line
Extranous excluded
Median
Perpendicular
26. What is the formula for the area of a triangle
Transitive
1/2bh
Ax+ by = c
Circle
27. The measure of a minor arc is the measure of the __________that intercepts the arc
I
Reflex
Negative
Central angle
28. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Central angle
Ratio
N!/ (n - r)!
A^3
29. Two angles whose sum totals 180 degrees
Equal
Function single
Point slope formula
Supplementary
30. 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)
Consecutive angles
Ellipse
Exponent
1
31. The y value of the vertex of parabola is the equation
Equilateral polygon
Equiangular polygon
(4ac - b^2)/4a
Acute
32. What is the surface area of a sphere with a radius r
Arc
Complimentary
4pi r^2
1
33. A triangle with three acute angles (less than 90 degrees)
Acute
G value
1/2 (d)^2
Radius
34. A triangle with having at least 2 equal sides
1
Isosceles
Y
Central angle
35. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
0
((n -2) (180))/n
Hyotenuse
Circle
36. How do you calculate the area of a parallelogram - what is the formula
1/3 pi r^2 h
Bh
2pi r^2 + 2pi rh
1
37. y2- y1 divided by x2- x1 = the ____________
Length number
Slope
Addition subtration
Bisector
38. A ray _________ divides the angle into 2 angles that have equal measure
Equilateral polygon
Angle
Transitive
Bisect
39. A line that joins the midpoint of two sides of a triangle is called the__________
0
Perpendicular
Altitude
Mildline
40. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Area of a polygon
1/2bh
Equilateral
Roots
41. A triangle with no equal sides
Slope
Scalene
I
Equilateral
42. A _________ number is a number that can be written in the form of a + bi
Y
Distributive
Complex
Negative
43. What is the formula for the area of a circle
Chord
(pi)r ^2
Scalene
Regular polygon
44. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Multiply
Point slope formula
Parallelogram
Supplementary
45. A line that intersects a circle in tow point is called the _______
Radius
Acute
Inverse
Secant
46. The least common multiple is the smallest quantity divisible by ______ number of the set
Bisect
Plane
Every
x
47. What is the formula the formula for an arc if you know the radius and the n= central angle
Rectangle
Quadratic formula
(n/360) X 2pi r
Positive
48. A __________is any process that assigns a ___________value of y to each number of x
Added
Downward
Isosceles
Function single
49. The set of all points on a half line and the dividing point itself
Lw
Commutative
Ray
Side square root
50. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
I
Y
Vertices
Parallel
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