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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. ___________is a quadrilateral whose opposite sides are parallel
Downward
Altitude
Parallelogram
Polygon
2. What are the 2 formulas to calculate the circumference of a circle
Right angle
One
Positive
Pi(d) 2(pi)r
3. A triangle with a 90 degrees angle
Equilateral polygon
Right
Circumscribed circle
Point slope formula
4. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
(n/360) X 2pi r
Equilateral
Pi r^2 h
2
5. A line that joins the midpoint of two sides of a triangle is called the__________
Dependent
Index
Rhomus
Mildline
6. A triangle with three acute angles (less than 90 degrees)
Acute
Coplanar
Bc
A(bc)
7. What is the formula to calculate the area of a rectangle
Parabola parallel line
Lw
Negative
Median
8. The set of all points on a half line and the dividing point itself
Radius
Parallel
Ray
Reflex
9. What is the surface area of a sphere with a radius r
4pi r^2
Negative
Size
Ab
10. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Secant
Radius
Distance between 2 points
Parallel
11. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Altitude
0
((n -2) (180))/n
Obtuse angle
12. What is the surface area of a right circular cylinder with a radius of r and a height of h
2pi r^2 + 2pi rh
1/3Bh
A+b
Negative
13. 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
Right angle
Parabola parallel line
Equiangular
1/2bh
14. If a triangle has two congruent sides then it is an _________triangle
Acute
Adjacent
Isosceles
Added
15. What is 4 to the power of 1/2 or 4^1/2
Transitive
0
2
Added
16. A set of points in the seame plane equidistant from a fixed point - called its center
Quadratic formula
Subtract substitute
Lw
Circle
17. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Multiply
Collinear
Vertical
Parallelogram
18. To calculate a permutation (order does not matter) what is the formula
Pi r^2 h
Right
Trapezoid
N!/ (n - r)!
19. The square of 0 is _____
0
Acute
1/2 (d1 + d2)
Obtuse angle
20. Is a polygon whose angles are equal in measurement
Linear substitute
4pi r^2
Factor
Equiangular polygon
21. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Ellipse
Slope
Radius
Point line
22. In order to decimal to a percentage you need to ______ by 100
Hypotenuse
Multiply
Secant
Associative
23. An angle whose measure is greater than 180 degrees and less than 360 degrees
Supplementary
Reflex
Bisect
Circumscribed circle
24. 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
Index
2
Hyotenuse
Quadratic formula
25. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Transitive
S^2
D/c
Multiply
26. Two distinct straight lines can intersect at most at only one point
0
One
Adjacent
Associative
27. Log base b to the b^x =
Complex
Symmetric
x
x over 100
28. The segment from the center of the polygon perpendicular to as side of the polygon
Apothem
Altitude
Equiangular
0
29. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Slope
Point slope formula
Radius
Equiangular polygon
30. Is a polygon that is both equilateral and equangular
1/2bh
Regular polygon
Equiangular
A+b
31. 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 ___________
Parallel
Extranous excluded
Hypotenuse
Straight
32. What is a quadrilateral with 2 and only 2 sides parallel
Radius
Trapezoid
Equilateral
Bisect
33. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)
Addition subtration
1
Radius
Area of a polygon
34. The greatest common factor is the largest __________that is common to all member of the set
4/3 pi r^3
Dependent
Adjacent
Factor
35. A triangle whose sides are equal
Bisect
Lw
Equilateral
n
36. The sum of the interior angles of a triangle = ___________
Pi(d) 2(pi)r
Chord
180
Y
37. Two angles whose sum totals 90 degrees
Scalene
Length number
Complimentary
Acute
38. What is the formula for the area of a circle
Factoral
Parabola parallel line
Bc
(pi)r ^2
39. A line that intersects a circle in tow point is called the _______
b/2a
Secant
Ab
Arc
40. 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
Median
Y
2
Equal
41. 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
A^3
Ax+ by = c
Ab
42. When you find the inverse of a function switch the x value with a ____ - solve for y
Secant
Y
Parallelogram
Altitude
43. What is the volume of a sphere with a radius r
Secant
4/3 pi r^3
Parallelogram
D/c
44. The volume of a cube is
Arc
A^3
Collinear
Radius
45. A __________is any process that assigns a ___________value of y to each number of x
Lw
Function single
2pi r^2 + 2pi rh
Median
46. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
1/2h (b1 + b2)
2
Hyperbola
Central angle
47. What is the square of ((x1-x2) + (y1- y2)) =
Distance between 2 points
Negative
A(bc)
6a^2
48. 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
N!/(r!(n - r)!)
Square
Commutative
49. A ___________is a figure with the same number of sides as angles
Hypotenuse
Parallelogram
Polygon
Isosceles
50. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Symmetric
Right
Inverse
x over 100