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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 triangle with one obtuse angle (angle greater than 90 degrees) is
Median
Obtuse
Radius
Isosceles
2. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Right angle
Length number
A x b x c
Radius
3. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
Distance
Every
Trapezoid
4. A ray _________ divides the angle into 2 angles that have equal measure
Point circle does not exist
Point line
Bisect
Complimentary
5. What property of equality says that a=a
Point circle does not exist
Reflexive
S^2
Circle
6. The side of a right triangle opposite the right angle
Exponent
Dependent
Hypotenuse
Y
7. Log base b to the b^x =
Rhomus
x
Factoral
Parallelogram
8. The square of both a positive number and a negative real number is _____________
1
Positive
Apothem
Y
9. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Function single
Coplanar
Ratio
Right angle
10. The value of y where a point intersects the x axis = __________
1/2h (b1 + b2)
Square
Parabola
0
11. What is the surface area of a sphere with a radius r
Equiangular polygon
Coplanar
4pi r^2
0
12. What is the formula for the area of a rhomus - (hint d= diagonal)
1/2 (d1 + d2)
Factoral
Ray
((n -2) (180))/n
13. An angle whose measure is greater than 180 degrees and less than 360 degrees
Size
1/2 (d)^2
Slope
Reflex
14. An angle whose measure is 90 degrees
Right angle
A^3
Slope
One
15. A line that intersects a circle in tow point is called the _______
Secant
Positive
Reflex
Apothem
16. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Acute
A x b x c
A+b
Downward
17. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Quadratic formula
Multiply
Hyotenuse
Area of a polygon
18. The x value of the vertex of a parabola is the equation
b/2a
Rhomus
Equilateral
Parabola
19. If a triangle has two congruent sides then it is an _________triangle
Transitive
Isosceles
Chord
Area of a polygon
20. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
(pi)r ^2
Extranous excluded
1/2h (b1 + b2)
Perpendicular
21. What is the formula for the area of a square
S^2
Straight
Parabola parallel line
Arc
22. 1/a^n can also be written as a to the ______
Obtuse
n
0
1/2h (b1 + b2)
23. Angles that are equal
G value
Congruent
Hypotenuse
I
24. A triangle with three acute angles (less than 90 degrees)
Acute
1/2h (b1 + b2)
Exponent
Polygon
25. Positions = number of position can be calculated by finding the ______ of the total number of items
Factoral
Distance between 2 points
Parabola
Equal
26. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Altitude
Inverse
Slope
27. 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
Transitive
1/2 (d)^2
Extranous excluded
A x b x c
28. Is a polygon that is both equilateral and equangular
Plane
Regular polygon
1/3 pi r^2 h
Symmetric
29. The absolue value of the difference of the coordinates of any two points on the real number line
Distance
Apothem
Polygon
Adjacent
30. A triangle with no equal sides
A^3
Complex
Scalene
Radius
31. That points of intersection on a triangle are called its _____________
Reflex
Altitude
Vertices
Point slope formula
32. Every real number is a ______________
Complex
Radius
(4ac - b^2)/4a
Hyperbola
33. 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
1
Hyperbola
Triangle
Parabola parallel line
34. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Scalene
Bisect
Symmetric
Straight line
35. In the law of proportion if a/b = c/d then (a - b)/b =
Point line
(c - d)/d
Mildline
0
36. 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
Collinear
Ab
Mildline
37. A closed three sided figure is called a ____________
Triangle
Hypotenuse
Perpendicular
Y
38. To calculate a permutation (order does not matter) what is the formula
Line
(n/360) X 2pi r
N!/ (n - r)!
Parallel
39. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Distributive
Rhomus
D/c
Arc
40. 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
(c+d)/d
4pi r^2
Point line
41. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Distributive
Coplanar
Congruence
(4ac - b^2)/4a
42. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Acute
4/3 pi r^3
Collinear
Extranous excluded
43. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Line
Perpendicular
Area of a polygon
Inverse
44. An angle whose measure is 180 degrees
6a^2
Straight
Ax+ by = c
Positive
45. A portion of a circle is called an ________ of the circle
Side square root
Arc
(pi)r ^2
Bisect
46. What is the volume of a sphere with a radius r
Ab
1/2 (d1 + d2)
4/3 pi r^3
Congruence
47. In the law of proportion if a/b = c/d then b/a =
Point line
D/c
b/2a
Parallel
48. What is the formula the formula for an arc if you know the radius and the n= central angle
Size
(n/360) X 2pi r
Acute
Ax+ by = c
49. The y value of the vertex of parabola is the equation
Hyperbola
(4ac - b^2)/4a
Addition subtration
Quadratic formula
50. The greatest common factor is the largest __________that is common to all member of the set
Multiply
Factor
x over 100
Lw