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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. In complex numbers the square root of -1 = ______
I
Commutative
D/c
1/2 (d)^2
2. 1/a^n can also be written as a to the ______
Congruent
Downward
Y
n
3. 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
4pi r^2
D/c
Quadratic formula
Bisect
4. The value of y where a point intersects the x axis = __________
Congruence
Extranous excluded
180
0
5. An angle whose measure is 180 degrees
Side square root
Straight
1/2h (b1 + b2)
((n -2) (180))/n
6. A triangle with no equal sides
Radius
Side square root
Ray
Scalene
7. The segment from the center of the polygon perpendicular to as side of the polygon
Chord
Distributive
Plane
Apothem
8. Two angles whose sum totals 180 degrees
One
1/2h (b1 + b2)
Square
Supplementary
9. In the law of proportion if a/b = c/d then ad =
Ray
Bc
A+b
Ratio
10. What is the formula to calculate the area of a rectangle
A x b x c
Lw
n
Square
11. In order to decimal to a percentage you need to ______ by 100
Radius
Multiply
Every
A+b
12. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
A+b
Hyotenuse
Factoral
Ab
13. A triangle with three acute angles (less than 90 degrees)
Hyperbola
Parabola
Y
Acute
14. The greatest common factor is the largest __________that is common to all member of the set
Factor
Perpendicular
1
Ax+ by = c
15. The square of 0 is _____
Distributive
0
Exponent
Addition subtration
16. 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
Equal
Function single
4/3 pi r^3
Supplementary
17. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Point line
Consecutive angles
Obtuse angle
Apothem
18. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
1
Altitude
Complex
19. The y value of the vertex of parabola is the equation
(4ac - b^2)/4a
Isosceles
Isosceles
Pi r^2 h
20. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
0
180
1/2h (b1 + b2)
21. What is the formula for the area of a square
Function single
Linear substitute
Distributive
S^2
22. 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)
D/c
Complimentary
Addition subtration
1/2h (b1 + b2)
23. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
2pi r^2 + 2pi rh
Vertical
I
Parabola parallel line
24. A __________is any process that assigns a ___________value of y to each number of x
Index
Reflex
Function single
Secant
25. The measure of a minor arc is the measure of the __________that intercepts the arc
Median
Distance between 2 points
Central angle
Lw
26. What is the area of a pyramid or cone (hint B= area of Base)
n
Ax+ by = c
Exponent
1/3Bh
27. In a logarithm the answer following the = sign is the __________
Every
Added
Central angle
Exponent
28. If a triangle has two congruent sides then it is an _________triangle
Isosceles
Addition subtration
Trapezoid
Hypotenuse
29. In the law of proportion if a/b = c/d then (a - b)/b =
G value
Exterior angle
(c - d)/d
Factoral
30. A line that intersects a circle in tow point is called the _______
Secant
x over 100
Point circle does not exist
Angle
31. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Right angle
Vertical
Complimentary
Area of a polygon
32. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Ax+ by = c
Transitive
Pi(d) 2(pi)r
Distributive
33. In a function the x value is the ___________variable
Point slope formula
Trapezoid
Dependent
Bc
34. What is 4 to the power of 1/2 or 4^1/2
(pi)r ^2
Negative
Slope
2
35. Log base b to the b^x =
Straight
Reflexive
x
Distributive
36. The square of both a positive number and a negative real number is _____________
Radius
Altitude
Positive
Hypotenuse
37. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
1/2 (d)^2
Pi r^2 h
Y
Radius
38. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
Point circle does not exist
Chord
Point slope formula
39. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Radius
Rhomus
(c - d)/d
Distance between 2 points
40. The value of x where a point intersects the Y axis= ___________
(c+d)/d
Reflexive
Equiangular polygon
0
41. 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
Obtuse
Transitive
Point line
Isosceles
42. What is the linear equation where a - b and c are constants b cannot = 0
Length number
Central angle
1/2 (d1 + d2)
Ax+ by = c
43. The absolue value of the difference of the coordinates of any two points on the real number line
Symmetric
(n/360) X 2pi r
Distance
A x b x c
44. The surface area of a cube is what formula
Radius
6a^2
Distance
Complex
45. For each real number a - for each real number b - if a= b - then b=a
Symmetric
(n/360) X 2pi r
Circle
Bisector
46. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Equilateral
Radius
N!/(r!(n - r)!)
Multiply
47. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Perpendicular
Parallel
Parabola
Associative
48. The least common multiple is the smallest quantity divisible by ______ number of the set
G value
Lw
Every
Isosceles
49. What is the surface area of a right circular cylinder with a radius of r and a height of h
2pi r^2 + 2pi rh
4pi r^2
S^2
Trapezoid
50. An angle whose measure is 90 degrees
Complimentary
Every
Right angle
1