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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 closure property of addition - for every real number a - for every real number b ______________ is a real number
A+b
Isosceles
Bisector
Apothem
2. Two lines are said to be ______________ if they intersect and form right angles
A+b
Perpendicular
2
1/3Bh
3. The side of a right triangle opposite the right angle
Inverse
Median
Hypotenuse
1
4. An angle whose measure is greater than 180 degrees and less than 360 degrees
Reflex
Square
Point circle does not exist
Isosceles
5. A triangle with having at least 2 equal sides
2pi r^2 + 2pi rh
Adjacent
Isosceles
Straight line
6. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Coplanar
Vertical
(pi)r ^2
N!/(r!(n - r)!)
7. A ray _________ divides the angle into 2 angles that have equal measure
Bisector
Bisect
Obtuse angle
Square
8. 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 ___________
Consecutive angles
Y
Roots
Extranous excluded
9. The volume of a cube is
A^3
Hypotenuse
Mildline
Bisector
10. Angles that are equal
Secant
Slope
Congruent
G value
11. What is the linear equation where a - b and c are constants b cannot = 0
Isosceles
Parallel
Ax+ by = c
Reflex
12. What is the formula for the area of a circle
Exterior angle
Circle
2pi r^2 + 2pi rh
(pi)r ^2
13. Positions = number of position can be calculated by finding the ______ of the total number of items
Complex
Factoral
4pi r^2
Secant
14. Two angles whose sum totals 180 degrees
Supplementary
Bc
(pi)r ^2
Size
15. A _________ number is a number that can be written in the form of a + bi
Roots
Complex
Vertical
I
16. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Multiply
0
Subtract substitute
Added
17. When you find the inverse of a function switch the x value with a ____ - solve for y
Isosceles
Y
Median
One
18. What is the surface area of a sphere with a radius r
0
1/3Bh
Reflexive
4pi r^2
19. If all points lie in the same plane they are __________
Coplanar
Altitude
Symmetric
Mildline
20. For each real number a - for each real number b - if a= b - then b=a
Symmetric
A^3
Parallel
Extranous excluded
21. What is the formula to calculate the area of a rectangle
Exterior angle
Length number
180
Lw
22. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Radius
Equilateral polygon
Hyotenuse
Distance
23. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse
S^2
Hypotenuse
1/2h (b1 + b2)
24. That points of intersection on a triangle are called its _____________
((n -2) (180))/n
S^2
Circle
Vertices
25. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
0
Congruence
Acute
26. 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
Quadratic formula
Linear substitute
N!/(r!(n - r)!)
A x b x c
27. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Bc
Ratio
Point circle does not exist
Length number
28. What is the formula for the area of a rhomus - (hint d= diagonal)
D/c
1/2 (d1 + d2)
Right angle
Chord
29. A rhomus with a right angle
Square
Pi(d) 2(pi)r
Reflex
Inverse
30. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
Plane
Supplementary
Congruent
31. In order to decimal to a percentage you need to ______ by 100
1
Multiply
(c+d)/d
x over 100
32. i^2 = _____________
1
1/2bh
Addition subtration
2
33. A parallelogram with right angles and equal diagonals
Bh
Rectangle
Polygon
G value
34. If you want to convert a fraction to a percentage you need to make it =
x over 100
(n/360) X 2pi r
((n -2) (180))/n
N!/ (n - r)!
35. The measure of a minor arc is the measure of the __________that intercepts the arc
Central angle
Complex
Distance
Hypotenuse
36. Is a polygon that is both equilateral and equangular
1/3 pi r^2 h
1/3Bh
(n/360) X 2pi r
Regular polygon
37. 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
Ray
N!/(r!(n - r)!)
Index
38. An angle whose measure is 180 degrees
Straight
A+b
Distance
Complex
39. Operation in steps = if an event a ways and followed by b ways followed by c ways the total number of ways it can be done is
Subtract substitute
Consecutive angles
A x b x c
Downward
40. Log base b to the b^x =
Obtuse angle
Index
Roots
x
41. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
b/2a
2pi r^2 + 2pi rh
Addition subtration
42. In a function the x value is the ___________variable
Complimentary
Ab
Dependent
Bisector
43. Two distinct straight lines can intersect at most at only one point
One
Distance
Consecutive angles
Polygon
44. Two angles with a common vertex and a common side but no common interior points
Consecutive angles
Right angle
Adjacent
(c - d)/d
45. A triangle with three acute angles (less than 90 degrees)
Acute
Lw
Parabola parallel line
Scalene
46. What is the volume of a sphere with a radius r
Distance between 2 points
Pi(d) 2(pi)r
4/3 pi r^3
Function single
47. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Pi r^2 h
Distance
0
((n -2) (180))/n
48. 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
Circle
Every
Roots
49. In complex numbers the square root of -1 = ______
I
Circle
Acute
Ax+ by = c
50. A set of points in the seame plane equidistant from a fixed point - called its center
x
Transitive
Circle
Complimentary