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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. The ____________ says y - y1= m(x-x1)
4pi r^2
Point slope formula
Factor
Linear substitute
2. The y value of the vertex of parabola is the equation
6a^2
Circumscribed circle
(4ac - b^2)/4a
Subtract substitute
3. What is the volume of a sphere with a radius r
Right
Reflex
Parallelogram
4/3 pi r^3
4. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Pi(d) 2(pi)r
Hypotenuse
Radius
Multiply
5. 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)
Hyperbola
Ellipse
Congruence
2
6. Is a polygon whose angles are equal in measurement
Bisector
Positive
Equiangular polygon
Index
7. 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
D/c
N!/ (n - r)!
2
8. The square of a real number cannot be ___________
Hyperbola
Negative
Apothem
Perpendicular
9. In the law of proportion if a/b = c/d then (a - b)/b =
Lw
Symmetric
(c - d)/d
Complex
10. Is a polygon that is both equilateral and equangular
Regular polygon
Complimentary
Equilateral
Size
11. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Trapezoid
2pi r^2 + 2pi rh
Area of a polygon
A+b
12. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Collinear
Downward
Factoral
Ratio
13. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Y
Straight line
Function single
Subtract substitute
14. The least common multiple is the smallest quantity divisible by ______ number of the set
Rectangle
I
Y
Every
15. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
Point circle does not exist
Rectangle
Factor
16. The side of a right triangle opposite the right angle
Bc
Equiangular
Hypotenuse
Y
17. An angle whose measure is 90 degrees
(pi)r ^2
Right angle
Dependent
Central angle
18. The x value of the vertex of a parabola is the equation
b/2a
Downward
Linear substitute
n
19. A triangle whose sides are equal
Central angle
Equilateral
Positive
Roots
20. 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
Chord
(n/360) X 2pi r
N!/(r!(n - r)!)
1
21. A point has no ________or thickness
1
Regular polygon
Size
Pi(d) 2(pi)r
22. A triangle with one obtuse angle (angle greater than 90 degrees) is
Trapezoid
Point line
Obtuse
Factoral
23. 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)
Altitude
Point circle does not exist
Equal
Area of a polygon
24. A line segment joining two poing on a circle is called a ________
Central angle
Inverse
Chord
Negative
25. Two angles with a common vertex and a common side but no common interior points
Adjacent
Consecutive angles
Circle
Radius
26. What is the formula for the area of a rhomus - (hint d= diagonal)
Plane
1/2 (d1 + d2)
D/c
Right angle
27. 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
Index
Trapezoid
A x b x c
Factoral
28. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Radius
Altitude
Vertices
Reflex
29. To find the x intersept we need to make __________= 0
Rhomus
Y
Point line
Dependent
30. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
b/2a
One
Secant
A+b
31. A closed three sided figure is called a ____________
A(bc)
Triangle
Bisector
Parallelogram
32. A triangle with a 90 degrees angle
Complex
Right
180
1
33. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Symmetric
Ax+ by = c
x over 100
Length number
34. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Pi r^2 h
Consecutive angles
Bisect
(c - d)/d
35. An angle whose measure is 180 degrees
Straight
(4ac - b^2)/4a
Point line
Right angle
36. A parallelogram with right angles and equal diagonals
2pi r^2 + 2pi rh
Rectangle
Equal
(4ac - b^2)/4a
37. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
Exponent
Radius
Side square root
38. What is the surface area of a right circular cylinder with a radius of r and a height of h
Equilateral polygon
2pi r^2 + 2pi rh
Pi(d) 2(pi)r
0
39. What is the surface area of a sphere with a radius r
4/3 pi r^3
Vertical
4pi r^2
Altitude
40. Log base b to the b^x =
2
Secant
x
Pi(d) 2(pi)r
41. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Central angle
Obtuse
Complex
Exterior angle
42. The segment from the center of the polygon perpendicular to as side of the polygon
Pi r^2 h
Central angle
Apothem
Pi(d) 2(pi)r
43. A collection of points lying on a flat surface that extend indefinitely in any direction
Square
Plane
Every
(4ac - b^2)/4a
44. The measure of a minor arc is the measure of the __________that intercepts the arc
Bisect
Added
Central angle
Trapezoid
45. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Central angle
Reflexive
Chord
Point line
46. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
1/3Bh
Congruence
Acute
Ray
47. What is the formula for the area of a triangle
1/2bh
Length number
Square
Vertical
48. A triangle with having at least 2 equal sides
A^3
Isosceles
Complimentary
Scalene
49. When you see f of g replace the x in f(x) with the ___________
x
Complex
G value
Angle
50. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
D/c
n
Inverse
Multiply