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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. i^2 = _____________
1
Right
Chord
Angle
2. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Equilateral
Acute
Angle
Associative
3. The set of all points on a half line and the dividing point itself
1/2 (d)^2
Ray
Reflexive
Rhomus
4. The sum of the interior angles of a triangle = ___________
Acute
Straight
(c+d)/d
180
5. How do you calculate the area of a parallelogram - what is the formula
180
Pi(d) 2(pi)r
Index
Bh
6. A set of points in the seame plane equidistant from a fixed point - called its center
A+b
N!/(r!(n - r)!)
Circle
1/2 (d)^2
7. An angle whose measure is 180 degrees
Straight
Ratio
Hypotenuse
Altitude
8. An angle whose measure is greater than 180 degrees and less than 360 degrees
Reflex
N!/ (n - r)!
Median
Secant
9. 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
Rectangle
Coplanar
Quadratic formula
(c+d)/d
10. In the law of proportion if a/b = c/d then ad =
Bc
Supplementary
Area of a polygon
Bh
11. 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
Complex
Linear substitute
2
Isosceles
12. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Ratio
Function single
A(bc)
Collinear
13. In complex numbers the square root of -1 = ______
Polygon
Right
I
Equal
14. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
1/2 (d1 + d2)
A(bc)
Parabola
Roots
15. A triangle whose angles all equal 60 degrees
Complex
Plane
Equiangular
Downward
16. The square of a real number cannot be ___________
Negative
4/3 pi r^3
Supplementary
2pi r^2 + 2pi rh
17. Is a polygon whose sides are equal in measure
(c - d)/d
1
Mildline
Equilateral polygon
18. What is a quadrilateral with 2 and only 2 sides parallel
Dependent
Distance between 2 points
D/c
Trapezoid
19. Two angles whose sum totals 90 degrees
Obtuse angle
(n/360) X 2pi r
Complimentary
Trapezoid
20. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Symmetric
I
b/2a
Length number
21. A __________is any process that assigns a ___________value of y to each number of x
Function single
Central angle
Regular polygon
Quadratic formula
22. y2- y1 divided by x2- x1 = the ____________
Pi(d) 2(pi)r
Multiply
Line
Slope
23. What is the square of ((x1-x2) + (y1- y2)) =
Distance between 2 points
Apothem
4pi r^2
Collinear
24. In a function the x value is the ___________variable
Isosceles
Every
D/c
Dependent
25. When you find the inverse of a function switch the x value with a ____ - solve for y
Perpendicular
Y
4/3 pi r^3
Point line
26. ___________is a quadrilateral whose opposite sides are parallel
Rhomus
Roots
Parallelogram
Bc
27. Log base b to the b = ____________
A+b
Isosceles
1
Circle
28. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Symmetric
0
Radius
Parallel
29. Is a polygon whose angles are equal in measurement
Equiangular polygon
D/c
N!/ (n - r)!
Regular polygon
30. A closed three sided figure is called a ____________
Inverse
Coplanar
Parallelogram
Triangle
31. What is the formula for the area of a circle
Lw
(pi)r ^2
I
1
32. 1/a^n can also be written as a to the ______
Exponent
0
n
Slope
33. What property of equality says that a=a
Complimentary
Angle
Reflexive
Function single
34. The square of 0 is _____
Exterior angle
Reflex
0
Collinear
35. What is the formula for the area of a square
Vertical
S^2
Ratio
Complex
36. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
0
Added
A(bc)
Straight
37. 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
b/2a
Parabola parallel line
Negative
Ratio
38. In order to decimal to a percentage you need to ______ by 100
Bisect
Multiply
1/2 (d1 + d2)
Coplanar
39. Angles that are equal
Congruent
1
Ab
1
40. A line that joins the midpoint of two sides of a triangle is called the__________
Distance
Mildline
Inverse
I
41. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Added
1/2bh
Index
Radius
42. A line that divides a line segment into two congruent segments
Altitude
Pi r^2 h
Bisector
Right
43. The greatest common factor is the largest __________that is common to all member of the set
Bc
Equilateral
Factor
Median
44. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Slope
Radius
1/2h (b1 + b2)
Vertical
45. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
Consecutive angles
Square
((n -2) (180))/n
46. What is the linear equation where a - b and c are constants b cannot = 0
Ax+ by = c
Vertical
Reflexive
4/3 pi r^3
47. A line that intersects a circle in tow point is called the _______
Commutative
(4ac - b^2)/4a
Secant
Subtract substitute
48. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Rectangle
G value
Bisector
49. An angle whose measure is 90 degrees
Right angle
D/c
Acute
Symmetric
50. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
Median
Function single
Slope
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