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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. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
A+b
Complex
Secant
Central angle
2. The union of two rays having the same end point
Adjacent
0
Angle
Altitude
3. A line that joins the midpoint of two sides of a triangle is called the__________
x
Roots
Mildline
Ratio
4. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Trapezoid
n
1
5. Is a polygon whose angles are equal in measurement
Equiangular polygon
Factoral
Area of a polygon
Y
6. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Added
Acute
Trapezoid
Rhomus
7. What is the square of ((x1-x2) + (y1- y2)) =
Isosceles
Inverse
Chord
Distance between 2 points
8. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Polygon
Side square root
Congruence
Vertical
9. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
(pi)r ^2
b/2a
Added
Downward
10. What is the surface area of a sphere with a radius r
4pi r^2
Bh
Exponent
Square
11. ___________is a quadrilateral whose opposite sides are parallel
Y
Parallelogram
Positive
Vertices
12. y2- y1 divided by x2- x1 = the ____________
Area of a polygon
Slope
Ab
Distance
13. If all points lie in the same plane they are __________
Hyotenuse
Coplanar
Circumscribed circle
Reflexive
14. Two lines are said to be ______________ if they intersect and form right angles
Perpendicular
Median
180
Bc
15. What is the formula for the area of a triangle
Size
1/2bh
4pi r^2
Distance between 2 points
16. A triangle with having at least 2 equal sides
G value
Scalene
Slope
Isosceles
17. A __________________ is a circle passing through all the vertices of a polygon
Y
1/2 (d)^2
Circumscribed circle
Hypotenuse
18. The measure of a minor arc is the measure of the __________that intercepts the arc
Central angle
Commutative
N!/(r!(n - r)!)
Parabola parallel line
19. In the law of proportion if a/b = c/d then (a+b)/ b =
x
1/2 (d)^2
(c+d)/d
Bisector
20. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Distributive
Parabola
1/2bh
Slope
21. In a function the x value is the ___________variable
Plane
Point line
Ray
Dependent
22. Log base b to the b^x =
Vertical
x
Consecutive angles
(c - d)/d
23. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Equiangular
Length number
Ratio
A^3
24. What is 4 to the power of 1/2 or 4^1/2
Pi(d) 2(pi)r
Equilateral
2
Every
25. 1/a^n can also be written as a to the ______
Bc
Acute
n
Right angle
26. In the law of proportion if a/b = c/d then ad =
A+b
Associative
Area of a polygon
Bc
27. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Rectangle
Dependent
Parallel
Inverse
28. The absolue value of the difference of the coordinates of any two points on the real number line
Reflexive
1/2 (d)^2
Distributive
Distance
29. Two angles whose sum totals 180 degrees
Subtract substitute
Isosceles
Supplementary
Hyotenuse
30. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Factoral
Complex
A(bc)
1
31. 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 __________ (b^2-4ac greater then 0)
(pi)r ^2
Chord
Hyperbola
Y
32. 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
1/2bh
Y
Equal
Negative
33. A triangle whose angles all equal 60 degrees
Roots
Equiangular
Chord
N!/(r!(n - r)!)
34. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
Length number
Coplanar
Point slope formula
35. Log base b to the b = ____________
Ratio
1
Index
Mildline
36. A parallelogram with right angles and equal diagonals
Rectangle
0
Multiply
Vertices
37. What are the 2 formulas to calculate the circumference of a circle
Circumscribed circle
Pi(d) 2(pi)r
Downward
Commutative
38. When you find the inverse of a function switch the x value with a ____ - solve for y
N!/(r!(n - r)!)
Equiangular
Y
Dependent
39. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Pi r^2 h
4/3 pi r^3
Distance
Index
40. To find the x intersept we need to make __________= 0
Factoral
Equiangular polygon
Y
Rectangle
41. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
1/3Bh
Associative
2
Rhomus
42. An angle whose measure is 180 degrees
Inverse
Radius
Straight
I
43. The value of x where a point intersects the Y axis= ___________
Dependent
Equilateral polygon
4/3 pi r^3
0
44. What is the formula for a combination (where order matters)
Ellipse
Transitive
N!/(r!(n - r)!)
180
45. A portion of a circle is called an ________ of the circle
Reflex
Extranous excluded
Obtuse
Arc
46. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
4pi r^2
Complimentary
Altitude
Distance
47. The volume of a cube is
A^3
1
I
Vertices
48. What is the linear equation where a - b and c are constants b cannot = 0
Ax+ by = c
Coplanar
Central angle
Inverse
49. In order to decimal to a percentage you need to ______ by 100
Multiply
Plane
Isosceles
I
50. A line that divides a line segment into two congruent segments
I
Bisector
Complex
Circumscribed circle