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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. An angle whose measure is greater than 180 degrees and less than 360 degrees
Right angle
Reflex
One
Ellipse
2. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
(c+d)/d
Roots
Hyperbola
I
3. What is the surface area of a right circular cylinder with a radius of r and a height of h
0
Exterior angle
Y
2pi r^2 + 2pi rh
4. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Side square root
Complex
Radius
Area of a polygon
5. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
2pi r^2 + 2pi rh
Secant
Downward
180
6. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Equiangular
Vertical
Distance
6a^2
7. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
180
D/c
Radius
8. A triangle with three acute angles (less than 90 degrees)
Circumscribed circle
Exponent
Acute
0
9. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
Complex
Collinear
Parallelogram
10. What is the formula to calculate the area of a rectangle
Apothem
Y
Circumscribed circle
Lw
11. How do you calculate the area of a parallelogram - what is the formula
Bh
Ax+ by = c
Exterior angle
Congruent
12. A portion of a circle is called an ________ of the circle
Equal
Arc
Parabola
Multiply
13. What is 4 to the power of 1/2 or 4^1/2
2
Area of a polygon
Equal
Altitude
14. What is the volume of a cone
Roots
Function single
1/3 pi r^2 h
1/3Bh
15. What is the volume of a sphere with a radius r
Scalene
4/3 pi r^3
Pi r^2 h
Ax+ by = c
16. A closed three sided figure is called a ____________
Ratio
Slope
n
Triangle
17. In the law of proportion if a/b = c/d then b/a =
Linear substitute
Rhomus
D/c
0
18. The side of a right triangle opposite the right angle
2pi r^2 + 2pi rh
Hypotenuse
Congruence
Complex
19. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Distance
1/2h (b1 + b2)
Isosceles
1/3 pi r^2 h
20. A triangle with no equal sides
Downward
Scalene
Point slope formula
1/2bh
21. What are the 2 formulas to calculate the circumference of a circle
Adjacent
Distance between 2 points
Polygon
Pi(d) 2(pi)r
22. A triangle with one obtuse angle (angle greater than 90 degrees) is
Plane
Obtuse
0
Radius
23. An angle whose measure is larger than 90 degrees but less than 180 degrees
1
Transitive
Perpendicular
Obtuse angle
24. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Ratio
Linear substitute
Point slope formula
A+b
25. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Complimentary
Polygon
Multiply
Equiangular polygon
26. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Circle
Rhomus
Reflex
Length number
27. i^2 = _____________
6a^2
Quadratic formula
1
0
28. 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)
Lw
Extranous excluded
Addition subtration
Pi r^2 h
29. 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
Perpendicular
Point slope formula
Commutative
A x b x c
30. The value of x where a point intersects the Y axis= ___________
Acute
1/2 (d1 + d2)
0
Equiangular
31. The greatest common factor is the largest __________that is common to all member of the set
Exterior angle
Hypotenuse
1/2bh
Factor
32. In the law of proportion if a/b = c/d then (a+b)/ b =
Regular polygon
S^2
6a^2
(c+d)/d
33. The square of a real number cannot be ___________
Parabola parallel line
Median
Equiangular polygon
Negative
34. 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
A+b
Rectangle
Linear substitute
1
35. A __________is any process that assigns a ___________value of y to each number of x
One
Vertices
Function single
A+b
36. ___________is a quadrilateral whose opposite sides are parallel
Parallelogram
Y
A x b x c
Ellipse
37. A line that joins the midpoint of two sides of a triangle is called the__________
0
Mildline
Central angle
One
38. If you want to convert a fraction to a percentage you need to make it =
Side square root
Collinear
x over 100
Ray
39. Two angles whose sum totals 90 degrees
Straight line
Consecutive angles
Complimentary
0
40. y2- y1 divided by x2- x1 = the ____________
1
Rhomus
Slope
1
41. A rhomus with a right angle
Function single
1/2 (d)^2
Square
Associative
42. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Equiangular polygon
Commutative
Vertices
S^2
43. A triangle whose sides are equal
Equilateral
0
Point slope formula
Arc
44. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Radius
Function single
Perpendicular
Collinear
45. Three or more points are said to be ___________if an only if they lie on the same line
Line
Collinear
4pi r^2
Square
46. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
1/2bh
A^3
Ratio
1/2 (d)^2
47. What is the area of a pyramid or cone (hint B= area of Base)
Pi(d) 2(pi)r
Hyperbola
Secant
1/3Bh
48. The union of two rays having the same end point
Multiply
Angle
Right
Function single
49. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
Slope
(n/360) X 2pi r
Congruence
50. What property of equality says that a=a
Inverse
Distance between 2 points
Reflexive
One