SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 _______ tells how many times the root needs to be multiplied by itself
Index
(n/360) X 2pi r
Slope
1/2h (b1 + b2)
2. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Congruence
Positive
Ray
Parabola
3. When you see f of g replace the x in f(x) with the ___________
G value
Addition subtration
Positive
0
4. The sum of the interior angles of a triangle = ___________
Pi r^2 h
180
Factoral
Index
5. The absolue value of the difference of the coordinates of any two points on the real number line
Ratio
Distance
180
Reflex
6. A triangle whose angles all equal 60 degrees
Roots
Area of a polygon
Right angle
Equiangular
7. A triangle with one obtuse angle (angle greater than 90 degrees) is
Reflexive
Associative
Obtuse
Side square root
8. 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)
Exterior angle
Triangle
Downward
Associative
9. 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
Positive
Circle
Parabola parallel line
10. An angle whose measure is larger than 90 degrees but less than 180 degrees
Collinear
Obtuse angle
(c+d)/d
(n/360) X 2pi r
11. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Extranous excluded
Point line
((n -2) (180))/n
1/2h (b1 + b2)
12. 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 ___________
0
Distance between 2 points
Extranous excluded
Triangle
13. The square of a real number cannot be ___________
Hyotenuse
Negative
Symmetric
Added
14. Three or more points are said to be ___________if an only if they lie on the same line
Collinear
Radius
S^2
Commutative
15. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Exterior angle
Circumscribed circle
Area of a polygon
Triangle
16. What is 4 to the power of 1/2 or 4^1/2
(pi)r ^2
Circumscribed circle
2
Lw
17. What is the formula for a square if you only know the length of the diaganol
N!/ (n - r)!
Hyotenuse
Factoral
1/2 (d)^2
18. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Exterior angle
Ax+ by = c
Radius
Hyotenuse
19. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Rhomus
Ratio
One
Function single
20. The measure of a minor arc is the measure of the __________that intercepts the arc
Complex
Central angle
Symmetric
Altitude
21. What is the surface area of a sphere with a radius r
Right
Commutative
Acute
4pi r^2
22. A triangle with three acute angles (less than 90 degrees)
Acute
Quadratic formula
Straight line
Parallel
23. Two angles whose sum totals 180 degrees
Quadratic formula
Supplementary
Adjacent
Polygon
24. A line segment joining two poing on a circle is called a ________
Obtuse angle
Chord
S^2
Ax+ by = c
25. The surface area of a cube is what formula
Trapezoid
Parallel
Congruence
6a^2
26. 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
S^2
Straight line
1
Polygon
27. A closed three sided figure is called a ____________
1
Triangle
Point line
1/2bh
28. What is the formula the formula for an arc if you know the radius and the n= central angle
Equal
Secant
Complex
(n/360) X 2pi r
29. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
0
4pi r^2
Circle
Radius
30. What property of equality says that a=a
Vertical
Polygon
Extranous excluded
Reflexive
31. y2- y1 divided by x2- x1 = the ____________
Slope
Collinear
Rectangle
Subtract substitute
32. A __________________ is a circle passing through all the vertices of a polygon
Circumscribed circle
Right
1/2 (d)^2
Symmetric
33. 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
Vertical
Quadratic formula
Bisect
(n/360) X 2pi r
34. In the law of proportion if a/b = c/d then (a - b)/b =
Factoral
(n/360) X 2pi r
(c - d)/d
180
35. The least common multiple is the smallest quantity divisible by ______ number of the set
Every
Triangle
Ab
Subtract substitute
36. The square of 0 is _____
Equilateral
Triangle
0
Ratio
37. That points of intersection on a triangle are called its _____________
Vertices
Complimentary
Commutative
Point circle does not exist
38. 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)
Exponent
Radius
Arc
Addition subtration
39. Is a polygon whose angles are equal in measurement
Vertical
Point slope formula
Equiangular polygon
Parabola parallel line
40. A __________is any process that assigns a ___________value of y to each number of x
1/3 pi r^2 h
Isosceles
Function single
Symmetric
41. What is the formula to calculate the area of a rectangle
Median
Vertical
Lw
Positive
42. 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
Added
A x b x c
Addition subtration
Central angle
43. If you want to convert a fraction to a percentage you need to make it =
x over 100
Acute
Distance between 2 points
Quadratic formula
44. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
1/2h (b1 + b2)
One
Congruent
45. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Slope
A(bc)
Inverse
S^2
46. 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)
Isosceles
Bh
Ax+ by = c
Ellipse
47. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Consecutive angles
0
1
Hyotenuse
48. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
I
Arc
Central angle
Added
49. Log base b to the b^x =
Equilateral polygon
Symmetric
n
x
50. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
Linear substitute
Ax+ by = c
Parallelogram