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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 is the volume of a sphere with a radius r
Addition subtration
G value
A+b
4/3 pi r^3
2. The square of both a positive number and a negative real number is _____________
x over 100
Quadratic formula
Positive
0
3. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Distance
Ratio
Factor
Distributive
4. The y value of the vertex of parabola is the equation
(4ac - b^2)/4a
Radius
Length number
Every
5. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
(pi)r ^2
Positive
Consecutive angles
Angle
6. What is a quadrilateral with 2 and only 2 sides parallel
Associative
Symmetric
Trapezoid
Rectangle
7. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Added
Inverse
Isosceles
Straight line
8. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Quadratic formula
Equilateral polygon
Distributive
Straight line
9. The _______ tells how many times the root needs to be multiplied by itself
Inverse
Index
Congruence
4/3 pi r^3
10. In the law of proportion if a/b = c/d then b/a =
Reflex
G value
D/c
Pi r^2 h
11. 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)
Plane
Congruent
Distributive
Associative
12. ___________is a quadrilateral whose opposite sides are parallel
Vertical
Parallelogram
x
A^3
13. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots
1
Equal
Isosceles
1/2 (d1 + d2)
14. A triangle with having at least 2 equal sides
Equilateral
Central angle
Isosceles
Trapezoid
15. Two distinct straight lines can intersect at most at only one point
Distributive
Complex
One
I
16. What is the formula for the area of a rhomus - (hint d= diagonal)
Distance
Pi(d) 2(pi)r
Distance between 2 points
1/2 (d1 + d2)
17. If you want to convert a fraction to a percentage you need to make it =
x over 100
Equiangular polygon
Central angle
b/2a
18. The segment from the center of the polygon perpendicular to as side of the polygon
Hypotenuse
Apothem
Parallelogram
2
19. 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)
Addition subtration
1
Point slope formula
Median
20. Log base b to the b = ____________
x over 100
Negative
1
Bh
21. i^2 = _____________
Positive
1
1/2 (d)^2
Every
22. 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
Point slope formula
Added
Transitive
Hyotenuse
23. A rhomus with a right angle
Square
Right angle
Consecutive angles
0
24. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
1
A+b
6a^2
Distance
25. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Multiply
Radius
Point circle does not exist
Lw
26. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
0
Ab
Point line
Acute
27. Two angles whose sum totals 90 degrees
Equal
N!/ (n - r)!
Vertices
Complimentary
28. A set of points in the seame plane equidistant from a fixed point - called its center
N!/ (n - r)!
Circle
Coplanar
Exponent
29. When you see f of g replace the x in f(x) with the ___________
G value
Chord
Equilateral polygon
A^3
30. What is the linear equation where a - b and c are constants b cannot = 0
Ax+ by = c
Extranous excluded
Radius
Complex
31. What is the area of a pyramid or cone (hint B= area of Base)
Equilateral polygon
Mildline
1/3Bh
Obtuse angle
32. 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)
1
Pi r^2 h
Point circle does not exist
Perpendicular
33. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
Isosceles
1/2 (d1 + d2)
Mildline
34. 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
Regular polygon
1
x over 100
Scalene
35. 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 __________ (b^2-4ac greater then 0)
A+b
Hyperbola
Secant
Congruent
36. A triangle with three acute angles (less than 90 degrees)
Distributive
Plane
Acute
x
37. The union of two rays having the same end point
b/2a
Angle
Factoral
Square
38. The volume of a cube is
A^3
Secant
Ab
Vertices
39. A point has no ________or thickness
Hyperbola
Perpendicular
Size
Point slope formula
40. A triangle whose angles all equal 60 degrees
Point slope formula
Equiangular
Straight
180
41. A portion of a circle is called an ________ of the circle
Associative
Arc
n
1
42. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
Consecutive angles
x
1/2 (d)^2
43. 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)
Ellipse
x
Complex
Length number
44. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
A+b
Equal
Pi r^2 h
45. What is the formula for the area of a square
Y
Commutative
S^2
Complimentary
46. The square of 0 is _____
Parabola parallel line
Distance
0
Equilateral
47. The ____________ says y - y1= m(x-x1)
1
Hypotenuse
Bisector
Point slope formula
48. 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 ___________
Added
(pi)r ^2
Obtuse angle
Extranous excluded
49. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Straight line
Transitive
Point slope formula
Line
50. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Hyotenuse
Parabola
Ab
Complex