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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. A line that joins the midpoint of two sides of a triangle is called the__________
Mildline
Ax+ by = c
1
0
2. In the law of proportion if a/b = c/d then (a+b)/ b =
(c+d)/d
Obtuse angle
Ray
4pi r^2
3. To calculate a permutation (order does not matter) what is the formula
Length number
Equal
Apothem
N!/ (n - r)!
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)
N!/ (n - r)!
Isosceles
Factor
Associative
5. The square of both a positive number and a negative real number is _____________
Chord
Positive
Linear substitute
Right angle
6. A triangle with one obtuse angle (angle greater than 90 degrees) is
Square
1
Obtuse
(pi)r ^2
7. What is the formula for a combination (where order matters)
N!/(r!(n - r)!)
Parallel
Parabola parallel line
1/2 (d)^2
8. Is a polygon that is both equilateral and equangular
(pi)r ^2
Acute
1
Regular polygon
9. 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
Subtract substitute
Angle
D/c
Straight
10. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
0
Triangle
Square
11. 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
Rectangle
Vertical
Equilateral polygon
12. In a logarithm the answer following the = sign is the __________
Pi(d) 2(pi)r
Exponent
Congruence
0
13. A closed three sided figure is called a ____________
Perpendicular
Triangle
Consecutive angles
Associative
14. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Extranous excluded
Plane
Parallel
Secant
15. A ___________is a figure with the same number of sides as angles
Polygon
1
Addition subtration
Radius
16. The ____________ says y - y1= m(x-x1)
Point slope formula
Size
1/2 (d1 + d2)
A+b
17. The union of two rays having the same end point
Equilateral
4pi r^2
Multiply
Angle
18. The greatest common factor is the largest __________that is common to all member of the set
Factor
Median
Acute
Associative
19. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Reflexive
Rhomus
Parabola
Multiply
20. What is the volume of a sphere with a radius r
Subtract substitute
Every
4/3 pi r^3
Angle
21. What is 4 to the power of 1/2 or 4^1/2
2
Y
Secant
Ray
22. How do you calculate the area of a parallelogram - what is the formula
(c+d)/d
Bh
Reflex
Radius
23. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Acute
A x b x c
Radius
Congruence
24. ___________is a quadrilateral whose opposite sides are parallel
Parallelogram
Obtuse angle
Complex
Triangle
25. What is the formula for the area of a triangle
Y
Hypotenuse
1/2bh
Collinear
26. In the law of proportion if a/b = c/d then (a - b)/b =
Congruence
(c - d)/d
Negative
Linear substitute
27. That points of intersection on a triangle are called its _____________
Secant
Straight
Vertices
Circumscribed circle
28. When you find the inverse of a function switch the x value with a ____ - solve for y
Arc
Square
Y
Distributive
29. Is a polygon whose angles are equal in measurement
A^3
Equiangular polygon
1/2bh
(n/360) X 2pi r
30. The absolue value of the difference of the coordinates of any two points on the real number line
Size
Distance
Factoral
1/2bh
31. Log base b to the b^x =
Equilateral polygon
Side square root
x
Bisect
32. What is the linear equation where a - b and c are constants b cannot = 0
0
Ax+ by = c
Equiangular
Supplementary
33. What is the formula to calculate the area of a rectangle
Line
Lw
Associative
Regular polygon
34. Angles that are equal
Median
Congruent
Side square root
Index
35. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Median
Area of a polygon
0
Isosceles
36. A triangle whose sides are equal
Index
A(bc)
4pi r^2
Equilateral
37. A triangle with no equal sides
Scalene
Radius
Radius
1
38. What type of trapezoid has its non parallel sides equal
Index
Isosceles
x over 100
1/2bh
39. The value of x where a point intersects the Y axis= ___________
n
Transitive
Obtuse angle
0
40. A ray _________ divides the angle into 2 angles that have equal measure
Secant
Reflex
Bisect
2
41. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Roots
Median
Parabola parallel line
Consecutive angles
42. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
(4ac - b^2)/4a
Extranous excluded
Distributive
Factor
43. Is a polygon whose sides are equal in measure
(n/360) X 2pi r
1/3 pi r^2 h
Equilateral polygon
Circumscribed circle
44. A __________________ is a circle passing through all the vertices of a polygon
Arc
Triangle
Circumscribed circle
Bisect
45. The set of all points on a half line and the dividing point itself
((n -2) (180))/n
Ray
A(bc)
Parabola parallel line
46. The side of a right triangle opposite the right angle
N!/ (n - r)!
Distance between 2 points
Hypotenuse
Complimentary
47. Positions = number of position can be calculated by finding the ______ of the total number of items
Point slope formula
Parabola
Factoral
Equilateral polygon
48. Two angles with a common vertex and a common side but no common interior points
Vertical
Adjacent
Bisect
Linear substitute
49. If all points lie in the same plane they are __________
Coplanar
n
Exterior angle
Downward
50. 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
D/c
Factor
Linear substitute
n