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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 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
Median
1/3Bh
1
Equilateral
2. A set of points in the seame plane equidistant from a fixed point - called its center
Hyotenuse
Circle
Consecutive angles
Ax+ by = c
3. What is the surface area of a sphere with a radius r
Reflexive
Distributive
4pi r^2
1/2bh
4. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
4pi r^2
Isosceles
Downward
Roots
5. What is the formula for a square if you only know the length of the diaganol
D/c
1/2 (d)^2
Distributive
Adjacent
6. The volume of a cube is
A^3
0
1/2 (d1 + d2)
Radius
7. The graph of y= ax^2 + bx + c is a curve know as a ____________
Parabola
1/3 pi r^2 h
A x b x c
Isosceles
8. The greatest common factor is the largest __________that is common to all member of the set
G value
Circumscribed circle
Factor
0
9. What is the linear equation where a - b and c are constants b cannot = 0
Straight line
Rhomus
Ax+ by = c
Rectangle
10. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Vertical
Chord
Bisector
1/3 pi r^2 h
11. An angle whose measure is greater than 180 degrees and less than 360 degrees
4pi r^2
Factoral
Reflex
Point circle does not exist
12. In order to decimal to a percentage you need to ______ by 100
Multiply
Exterior angle
Straight
Complex
13. 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)
Triangle
Transitive
Ellipse
Trapezoid
14. ___________is a quadrilateral whose opposite sides are parallel
Dependent
Square
Parallelogram
Trapezoid
15. A line that joins the midpoint of two sides of a triangle is called the__________
Mildline
Dependent
Rectangle
Point circle does not exist
16. What is a quadrilateral with 2 and only 2 sides parallel
Median
Hyotenuse
Ax+ by = c
Trapezoid
17. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Quadratic formula
Vertical
b/2a
Congruence
18. What is 4 to the power of 1/2 or 4^1/2
Point circle does not exist
Symmetric
Circle
2
19. What is the volume of a sphere with a radius r
Factoral
4/3 pi r^3
A+b
n
20. What is the square of ((x1-x2) + (y1- y2)) =
Collinear
Roots
Distance between 2 points
Radius
21. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Index
Ab
Polygon
Consecutive angles
22. 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 ___________
Parabola parallel line
A^3
Angle
Extranous excluded
23. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Ray
Function single
Median
Radius
24. What is the formula for a combination (where order matters)
Acute
N!/(r!(n - r)!)
Congruence
2pi r^2 + 2pi rh
25. In the law of proportion if a/b = c/d then (a+b)/ b =
1
(c+d)/d
Trapezoid
(n/360) X 2pi r
26. To calculate a permutation (order does not matter) what is the formula
Obtuse angle
N!/ (n - r)!
Arc
Addition subtration
27. A _________ number is a number that can be written in the form of a + bi
(c - d)/d
Plane
Vertical
Complex
28. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Every
Straight line
Line
Isosceles
29. An angle whose measure is 180 degrees
Added
Symmetric
Multiply
Straight
30. In the law of proportion if a/b = c/d then (a - b)/b =
Ax+ by = c
Acute
Right
(c - d)/d
31. What are the 2 formulas to calculate the circumference of a circle
Multiply
0
Arc
Pi(d) 2(pi)r
32. If a triangle has two congruent sides then it is an _________triangle
Complex
Linear substitute
Isosceles
G value
33. What is the formula for the area of a triangle
A x b x c
Factoral
1/2bh
Line
34. Positions = number of position can be calculated by finding the ______ of the total number of items
A+b
Commutative
Added
Factoral
35. 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
Exponent
Quadratic formula
Area of a polygon
36. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Rhomus
Roots
Ratio
Exterior angle
37. A triangle with having at least 2 equal sides
Isosceles
Parallel
Multiply
Equiangular
38. The sum of the interior angles of a triangle = ___________
Addition subtration
180
Radius
Isosceles
39. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Area of a polygon
A x b x c
x
Commutative
40. That points of intersection on a triangle are called its _____________
Vertices
Inverse
Congruence
Trapezoid
41. 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)
(n/360) X 2pi r
Hyotenuse
Hyperbola
Reflexive
42. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
N!/(r!(n - r)!)
Ab
Inverse
(pi)r ^2
43. Angles that are equal
Pi r^2 h
Arc
Factoral
Congruent
44. In complex numbers the square root of -1 = ______
0
I
Central angle
Ax+ by = c
45. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Roots
0
Distributive
Added
46. A triangle with one obtuse angle (angle greater than 90 degrees) is
Equilateral
Obtuse
Extranous excluded
S^2
47. 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
Straight line
A^3
A x b x c
Index
48. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Radius
Triangle
Isosceles
(c - d)/d
49. 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)
1/2bh
(4ac - b^2)/4a
(n/360) X 2pi r
Point circle does not exist
50. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Ratio
Straight line
x over 100
Right