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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. In a function the x value is the ___________variable
2pi r^2 + 2pi rh
Complimentary
Rhomus
Dependent
2. To find the x intersept we need to make __________= 0
Y
Angle
(n/360) X 2pi r
Rectangle
3. A line that intersects a circle in tow point is called the _______
Coplanar
Distance
Secant
One
4. A line that divides a line segment into two congruent segments
Obtuse angle
Right
Bisector
Function single
5. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Complex
(c+d)/d
Every
Hyotenuse
6. To calculate a permutation (order does not matter) what is the formula
N!/(r!(n - r)!)
Chord
N!/ (n - r)!
180
7. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Consecutive angles
1
Acute
Ax+ by = c
8. The y value of the vertex of parabola is the equation
Index
(4ac - b^2)/4a
Isosceles
Transitive
9. If all points lie in the same plane they are __________
Index
Acute
Coplanar
Straight line
10. A __________________ is a circle passing through all the vertices of a polygon
Plane
Circumscribed circle
Regular polygon
I
11. 1/a^n can also be written as a to the ______
Apothem
Exponent
n
Ray
12. A triangle with having at least 2 equal sides
Isosceles
180
Distance
1/3 pi r^2 h
13. A triangle with a 90 degrees angle
Right
A(bc)
Roots
Isosceles
14. Angles that are equal
0
Congruent
Isosceles
Hyotenuse
15. Two distinct straight lines can intersect at most at only one point
Roots
Lw
Parabola parallel line
One
16. What is the formula for a combination (where order matters)
b/2a
Y
N!/(r!(n - r)!)
Negative
17. What is the formula for the area of a rhomus - (hint d= diagonal)
Obtuse angle
1/2 (d1 + d2)
2pi r^2 + 2pi rh
Factor
18. A line that joins the midpoint of two sides of a triangle is called the__________
Bc
(c - d)/d
Mildline
Right angle
19. What is the formula for a square if you only know the length of the diaganol
Hypotenuse
D/c
Mildline
1/2 (d)^2
20. In the law of proportion if a/b = c/d then b/a =
Equiangular
D/c
(pi)r ^2
Vertical
21. 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
Ratio
Subtract substitute
Point line
Complex
22. What is the formula for the area of a triangle
Circle
1/2bh
Point slope formula
N!/ (n - r)!
23. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Chord
Exterior angle
Circumscribed circle
1
24. The _______ tells how many times the root needs to be multiplied by itself
D/c
Plane
Distributive
Index
25. Two lines are said to be ______________ if they intersect and form right angles
N!/ (n - r)!
Inverse
Perpendicular
1
26. How do you calculate the area of a parallelogram - what is the formula
Bh
Slope
A x b x c
Associative
27. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
(4ac - b^2)/4a
Straight
Obtuse angle
28. 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
180
Bc
Bisect
Quadratic formula
29. In the law of proportion if a/b = c/d then (a - b)/b =
Complex
Triangle
Straight line
(c - d)/d
30. The segment from the center of the polygon perpendicular to as side of the polygon
Regular polygon
0
Apothem
Slope
31. A line segment joining two poing on a circle is called a ________
Chord
Isosceles
0
Straight
32. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Supplementary
Size
Parallel
Added
33. The surface area of a cube is what formula
Chord
6a^2
Circumscribed circle
Y
34. A triangle with one obtuse angle (angle greater than 90 degrees) is
Reflexive
1/3 pi r^2 h
Obtuse
Exterior angle
35. An angle whose measure is 90 degrees
Factor
Slope
Ellipse
Right angle
36. The side of a right triangle opposite the right angle
Hypotenuse
Line
Central angle
Polygon
37. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
1
Commutative
Isosceles
Ratio
38. What is the surface area of a right circular cylinder with a radius of r and a height of h
Isosceles
N!/(r!(n - r)!)
2pi r^2 + 2pi rh
Ax+ by = c
39. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Plane
Multiply
Radius
1
40. The square of both a positive number and a negative real number is _____________
Circle
6a^2
Positive
n
41. What is the formula for the area of a square
b/2a
Inverse
G value
S^2
42. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Added
Apothem
Multiply
Regular polygon
43. Two angles whose sum totals 180 degrees
Length number
Dependent
Supplementary
(4ac - b^2)/4a
44. i^2 = _____________
Roots
1
n
1/2bh
45. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
Equiangular polygon
((n -2) (180))/n
0
46. The set of all points on a half line and the dividing point itself
Line
Pi r^2 h
Ray
Ab
47. Is a polygon that is both equilateral and equangular
0
Coplanar
Vertices
Regular polygon
48. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Area of a polygon
Hyotenuse
0
Parallelogram
49. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
Equal
2
Vertical
50. Two angles with a common vertex and a common side but no common interior points
Ratio
(pi)r ^2
Adjacent
A x b x c