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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 the law of proportion if a/b = c/d then ad =
Bc
Central angle
D/c
Line
2. What is the volume of a cone
A+b
Inverse
1/3 pi r^2 h
Altitude
3. Is a polygon whose angles are equal in measurement
Equiangular polygon
Reflex
Regular polygon
Pi(d) 2(pi)r
4. When you see f of g replace the x in f(x) with the ___________
Every
Line
G value
Commutative
5. What is the formula for the area of a triangle
Acute
1/2bh
Polygon
2pi r^2 + 2pi rh
6. In the law of proportion if a/b = c/d then (a - b)/b =
Side square root
(c - d)/d
Lw
1/3Bh
7. A _________ number is a number that can be written in the form of a + bi
Pi r^2 h
Associative
Straight line
Complex
8. A line that intersects a circle in tow point is called the _______
1/2h (b1 + b2)
Equal
Secant
Right angle
9. 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
Point circle does not exist
Length number
Commutative
10. What is the volume of a sphere with a radius r
Point line
Hypotenuse
Arc
4/3 pi r^3
11. A rhomus with a right angle
0
Isosceles
Square
I
12. 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)
One
G value
Hyperbola
Congruent
13. In order to decimal to a percentage you need to ______ by 100
Multiply
Vertices
Right
Polygon
14. 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
Secant
Straight
Linear substitute
Straight line
15. How do you calculate the area of a parallelogram - what is the formula
I
Downward
1
Bh
16. For each real number a - for each real number b - if a= b - then b=a
Bisect
Adjacent
Symmetric
Trapezoid
17. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Roots
Altitude
Right angle
Point slope formula
18. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Bh
G value
Distributive
x over 100
19. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
Parallel
Extranous excluded
Obtuse angle
20. When you find the inverse of a function switch the x value with a ____ - solve for y
Y
Reflex
1/2h (b1 + b2)
180
21. What is the formula for a square if you only know the length of the diaganol
Hypotenuse
Pi(d) 2(pi)r
Function single
1/2 (d)^2
22. 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
Exponent
Equal
Circumscribed circle
Circle
23. i^2 = _____________
1
Line
G value
Inverse
24. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Hypotenuse
(pi)r ^2
Inverse
Consecutive angles
25. What property of equality says that a=a
Reflexive
Rhomus
Parabola parallel line
Regular polygon
26. To find the x intersept we need to make __________= 0
Y
Negative
Rhomus
Ratio
27. A closed three sided figure is called a ____________
Equilateral
Equiangular
Hypotenuse
Triangle
28. A triangle whose sides are equal
Multiply
Parabola parallel line
Equilateral
2pi r^2 + 2pi rh
29. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Index
Right angle
Distributive
Congruence
30. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
A(bc)
Radius
Straight line
Ratio
31. 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)
(c+d)/d
Factoral
Associative
1/3Bh
32. Log base b to the b^x =
Equiangular
Index
x
0
33. Two angles whose sum totals 180 degrees
Supplementary
Length number
(c+d)/d
Regular polygon
34. A line that joins the midpoint of two sides of a triangle is called the__________
Mildline
Commutative
0
Bisector
35. 1/a^n can also be written as a to the ______
n
2
Median
Ab
36. A triangle with having at least 2 equal sides
Pi(d) 2(pi)r
Lw
Isosceles
(4ac - b^2)/4a
37. If a triangle has two congruent sides then it is an _________triangle
1/2 (d1 + d2)
Isosceles
Radius
Linear substitute
38. A triangle with a 90 degrees angle
Right
Square
Isosceles
Collinear
39. A line that divides a line segment into two congruent segments
Ray
N!/ (n - r)!
Bisector
Bh
40. A triangle whose angles all equal 60 degrees
Equiangular
Multiply
Arc
Exponent
41. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Ab
Added
Extranous excluded
Regular polygon
42. That points of intersection on a triangle are called its _____________
Vertices
Congruent
Isosceles
Side square root
43. A ___________is a figure with the same number of sides as angles
2pi r^2 + 2pi rh
1/2bh
Polygon
Factor
44. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Mildline
Function single
Added
Hypotenuse
45. In the law of proportion if a/b = c/d then (a+b)/ b =
Congruence
1
(c+d)/d
Acute
46. A ray _________ divides the angle into 2 angles that have equal measure
Roots
Bisect
Associative
Every
47. A set of points in the seame plane equidistant from a fixed point - called its center
Altitude
0
Circle
2
48. The y value of the vertex of parabola is the equation
(4ac - b^2)/4a
Ratio
b/2a
Congruent
49. What is the formula for the area of a rhomus - (hint d= diagonal)
Plane
1/2bh
Parabola
1/2 (d1 + d2)
50. The square of a real number cannot be ___________
Negative
Angle
Hypotenuse
I