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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 perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Distance between 2 points
(c - d)/d
Length number
Commutative
2. An angle whose measure is larger than 90 degrees but less than 180 degrees
Quadratic formula
Obtuse angle
Commutative
Congruence
3. What is 4 to the power of 1/2 or 4^1/2
1
Side square root
2
Area of a polygon
4. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Reflexive
Vertices
Radius
Acute
5. The x value of the vertex of a parabola is the equation
b/2a
Collinear
Arc
Distance between 2 points
6. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Bc
Square
Rhomus
Transitive
7. What is the formula for the area of a triangle
A+b
Equiangular
Dependent
1/2bh
8. What is the formula for the area of a rhomus - (hint d= diagonal)
1/2 (d1 + d2)
Vertical
Dependent
Complimentary
9. To find the x intersept we need to make __________= 0
Y
1
Negative
Equal
10. The ____________ says y - y1= m(x-x1)
Ratio
Obtuse
Point slope formula
Factor
11. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Distributive
Right
Plane
Equiangular polygon
12. The square of 0 is _____
Point circle does not exist
Consecutive angles
A(bc)
0
13. What is the volume of a sphere with a radius r
Y
n
Downward
4/3 pi r^3
14. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Commutative
A(bc)
Dependent
Downward
15. y2- y1 divided by x2- x1 = the ____________
A+b
1/2h (b1 + b2)
Reflex
Slope
16. A triangle with no equal sides
One
Scalene
Bh
Collinear
17. A triangle whose angles all equal 60 degrees
Radius
Equiangular
0
Multiply
18. 1/a^n can also be written as a to the ______
Bh
Distance
(pi)r ^2
n
19. 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
Congruence
Right angle
Reflexive
Parabola parallel line
20. Three or more points are said to be ___________if an only if they lie on the same line
Length number
1
Slope
Collinear
21. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Secant
Added
Distance
((n -2) (180))/n
22. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Complex
Obtuse angle
Multiply
Rhomus
23. In complex numbers the square root of -1 = ______
1
I
Arc
Positive
24. Positions = number of position can be calculated by finding the ______ of the total number of items
Factoral
6a^2
1/2h (b1 + b2)
Equilateral
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 ___________
Extranous excluded
Point circle does not exist
Line
Negative
26. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Equilateral
N!/ (n - r)!
Point circle does not exist
Consecutive angles
27. What is the formula for a square if you only know the length of the diaganol
1/2 (d)^2
1/2bh
Arc
Added
28. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Polygon
Size
Altitude
(n/360) X 2pi r
29. The set of all points on a half line and the dividing point itself
Isosceles
6a^2
x over 100
Ray
30. The side of a right triangle opposite the right angle
Hypotenuse
Congruent
Arc
Roots
31. 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
Right
Equilateral
Complimentary
Transitive
32. When you find the inverse of a function switch the x value with a ____ - solve for y
Congruent
1/2 (d)^2
Y
Adjacent
33. The absolue value of the difference of the coordinates of any two points on the real number line
Reflex
Distance
Index
Mildline
34. The sum of the interior angles of a triangle = ___________
(c+d)/d
Inverse
180
Parabola
35. When you see f of g replace the x in f(x) with the ___________
Trapezoid
(c - d)/d
G value
Straight
36. The segment from the center of the polygon perpendicular to as side of the polygon
Apothem
Transitive
Parallelogram
Dependent
37. Is a polygon whose angles are equal in measurement
Chord
Distance between 2 points
Equiangular polygon
Bh
38. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
(4ac - b^2)/4a
((n -2) (180))/n
Inverse
Regular polygon
39. Two lines are said to be ______________ if they intersect and form right angles
Square
Perpendicular
Mildline
Collinear
40. What is the linear equation where a - b and c are constants b cannot = 0
1/3 pi r^2 h
Exterior angle
Ax+ by = c
Equiangular polygon
41. A rhomus with a right angle
Exterior angle
0
Coplanar
Square
42. What is the area of a pyramid or cone (hint B= area of Base)
Collinear
1/3Bh
(n/360) X 2pi r
Central angle
43. What is the volume of a cone
Line
Y
Point circle does not exist
1/3 pi r^2 h
44. A line segment joining two poing on a circle is called a ________
Rectangle
Complimentary
Extranous excluded
Chord
45. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
(n/360) X 2pi r
1
Exterior angle
Regular polygon
46. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
One
Distributive
Exterior angle
47. The y value of the vertex of parabola is the equation
Straight
(4ac - b^2)/4a
Radius
Inverse
48. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Reflex
0
Commutative
Reflexive
49. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Radius
A+b
1/2 (d1 + d2)
Pi r^2 h
50. In a function the x value is the ___________variable
Function single
x
Bisector
Dependent