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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. 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
A x b x c
Bc
(n/360) X 2pi r
(4ac - b^2)/4a
2. The square of both a positive number and a negative real number is _____________
Positive
180
1/2 (d)^2
Parallel
3. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
1
Area of a polygon
(c - d)/d
Extranous excluded
4. 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)
4/3 pi r^3
Equiangular polygon
Associative
Reflexive
5. A set of points in the seame plane equidistant from a fixed point - called its center
Ax+ by = c
Circle
A x b x c
(pi)r ^2
6. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Vertices
Altitude
Distance
Trapezoid
7. Two lines are said to be ______________ if they intersect and form right angles
x over 100
Slope
Perpendicular
Linear substitute
8. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
(c - d)/d
((n -2) (180))/n
Vertices
Isosceles
9. The side of a right triangle opposite the right angle
Bh
Hypotenuse
Triangle
Trapezoid
10. A line that intersects a circle in tow point is called the _______
Point slope formula
Factor
Secant
Side square root
11. In the law of proportion if a/b = c/d then (a - b)/b =
Y
x
(c - d)/d
Mildline
12. To find the x intersept we need to make __________= 0
Lw
Y
Obtuse angle
Quadratic formula
13. What is the square of ((x1-x2) + (y1- y2)) =
Positive
N!/(r!(n - r)!)
Distance between 2 points
(c - d)/d
14. What is a quadrilateral with 2 and only 2 sides parallel
Complex
D/c
Multiply
Trapezoid
15. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Dependent
Ab
Point slope formula
Associative
16. A rhomus with a right angle
Square
Rhomus
Consecutive angles
Straight
17. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Function single
Exponent
Collinear
Length number
18. A line that divides a line segment into two congruent segments
Extranous excluded
Perpendicular
Bisector
Symmetric
19. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Isosceles
Commutative
Bh
Ratio
20. A series adjacent points that connect
0
Line
Symmetric
Rectangle
21. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Perpendicular
6a^2
Negative
Straight line
22. What is the formula for a combination (where order matters)
Ratio
Positive
N!/(r!(n - r)!)
I
23. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
2pi r^2 + 2pi rh
Parallel
Every
Extranous excluded
24. Two angles whose sum totals 90 degrees
Equilateral
Complimentary
Roots
2
25. Is a polygon whose sides are equal in measure
Angle
Equilateral polygon
Side square root
Vertices
26. Two distinct straight lines can intersect at most at only one point
One
Polygon
Right
Inverse
27. 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)
S^2
Extranous excluded
Ellipse
Perpendicular
28. 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
Quadratic formula
Parabola parallel line
S^2
Bh
29. What is the formula for the area of a triangle
n
1/2bh
Straight line
Complex
30. The absolue value of the difference of the coordinates of any two points on the real number line
S^2
Isosceles
Distance
Straight
31. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Bisect
Size
Pi r^2 h
Complex
32. The _______ tells how many times the root needs to be multiplied by itself
Median
x
Ab
Index
33. An angle whose measure is 90 degrees
Right angle
S^2
180
Consecutive angles
34. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
D/c
1/2 (d1 + d2)
Acute
35. The least common multiple is the smallest quantity divisible by ______ number of the set
Every
Bisector
1/2 (d1 + d2)
Vertices
36. A triangle with three acute angles (less than 90 degrees)
1/2bh
Acute
Equilateral polygon
n
37. An angle whose measure is larger than 90 degrees but less than 180 degrees
Equiangular
Extranous excluded
Obtuse angle
6a^2
38. Positions = number of position can be calculated by finding the ______ of the total number of items
Side square root
Obtuse angle
6a^2
Factoral
39. Log base b to the b = ____________
1
Median
N!/(r!(n - r)!)
Equiangular polygon
40. A __________________ is a circle passing through all the vertices of a polygon
Circumscribed circle
Plane
Lw
Isosceles
41. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable
Slope
Every
Distributive
Subtract substitute
42. A line that joins the midpoint of two sides of a triangle is called the__________
N!/(r!(n - r)!)
Downward
Mildline
Acute
43. Is a polygon that is both equilateral and equangular
Secant
Side square root
Straight line
Regular polygon
44. Three or more points are said to be ___________if an only if they lie on the same line
Complex
Bh
6a^2
Collinear
45. If all points lie in the same plane they are __________
Straight
Coplanar
4/3 pi r^3
N!/(r!(n - r)!)
46. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
A+b
One
Symmetric
Median
47. A _________ number is a number that can be written in the form of a + bi
Rectangle
Right angle
Complex
Negative
48. Is a polygon whose angles are equal in measurement
Equiangular polygon
n
0
Length number
49. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
1/2 (d)^2
1/3 pi r^2 h
n
50. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Median
1/3Bh
Added
Downward