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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. The y value of the vertex of parabola is the equation
Straight
x over 100
Chord
(4ac - b^2)/4a
2. A ___________is a figure with the same number of sides as angles
A(bc)
x over 100
Collinear
Polygon
3. 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)
Symmetric
A(bc)
Addition subtration
Collinear
4. What is a quadrilateral with 2 and only 2 sides parallel
Trapezoid
Area of a polygon
Factoral
Acute
5. A triangle whose sides are equal
(4ac - b^2)/4a
Vertical
G value
Equilateral
6. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Distributive
Pi r^2 h
Multiply
Obtuse angle
7. What is the volume of a sphere with a radius r
D/c
4/3 pi r^3
Isosceles
Bc
8. 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)
Hyperbola
Linear substitute
Inverse
Bc
9. The least common multiple is the smallest quantity divisible by ______ number of the set
Every
Rhomus
Distributive
Right angle
10. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Point slope formula
Radius
Quadratic formula
Hyotenuse
11. If you want to convert a fraction to a percentage you need to make it =
Point slope formula
x over 100
2
Collinear
12. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Multiply
Point circle does not exist
Ab
Side square root
13. Positions = number of position can be calculated by finding the ______ of the total number of items
Rectangle
x over 100
1/2h (b1 + b2)
Factoral
14. In the law of proportion if a/b = c/d then (a+b)/ b =
4/3 pi r^3
(c+d)/d
Multiply
Equilateral polygon
15. What property of equality says that a=a
Reflexive
Linear substitute
2
180
16. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Factor
Added
Chord
Regular polygon
17. The segment from the center of the polygon perpendicular to as side of the polygon
Hyotenuse
Apothem
(n/360) X 2pi r
Addition subtration
18. A line that joins the midpoint of two sides of a triangle is called the__________
N!/(r!(n - r)!)
I
Mildline
Slope
19. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Altitude
Factor
(n/360) X 2pi r
Commutative
20. The value of y where a point intersects the x axis = __________
0
Mildline
Equiangular polygon
Vertices
21. Every real number is a ______________
Complex
A^3
Rectangle
Associative
22. A triangle with no equal sides
1/2 (d)^2
Bh
Supplementary
Scalene
23. The ____________ says y - y1= m(x-x1)
Reflex
Length number
Factoral
Point slope formula
24. 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
N!/(r!(n - r)!)
1
1/2 (d)^2
(c+d)/d
25. The square of a real number cannot be ___________
Negative
Ellipse
Roots
Vertices
26. 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
Exponent
Roots
Linear substitute
D/c
27. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Perpendicular
Multiply
Parallel
Pi r^2 h
28. A closed three sided figure is called a ____________
Trapezoid
S^2
Polygon
Triangle
29. What is the surface area of a right circular cylinder with a radius of r and a height of h
0
Parabola parallel line
Rectangle
2pi r^2 + 2pi rh
30. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Side square root
Vertical
(c+d)/d
Isosceles
31. Two distinct straight lines can intersect at most at only one point
One
Equiangular polygon
Equal
Acute
32. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Hypotenuse
Downward
Collinear
4pi r^2
33. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Parabola
Polygon
A+b
Triangle
34. 1/a^n can also be written as a to the ______
Collinear
n
Right angle
2pi r^2 + 2pi rh
35. Is a polygon that is both equilateral and equangular
A(bc)
One
(pi)r ^2
Regular polygon
36. What is the formula for a combination (where order matters)
N!/(r!(n - r)!)
Isosceles
b/2a
180
37. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Symmetric
Radius
(pi)r ^2
Adjacent
38. A _________ number is a number that can be written in the form of a + bi
Plane
Rectangle
Complex
2
39. The side of a right triangle opposite the right angle
Downward
Distance between 2 points
Circle
Hypotenuse
40. 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 __________or a __________ or __________(b=0 and a=c)
Point circle does not exist
1
Parabola parallel line
Regular polygon
41. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Reflex
Straight line
Quadratic formula
Associative
42. A set of points in the seame plane equidistant from a fixed point - called its center
Congruent
Circle
1
Adjacent
43. What is the formula for the area of a rhomus - (hint d= diagonal)
Ab
Isosceles
1/2 (d1 + d2)
Central angle
44. What is the square of ((x1-x2) + (y1- y2)) =
G value
Distance between 2 points
4/3 pi r^3
Bc
45. If a triangle has two congruent sides then it is an _________triangle
Side square root
Complex
Isosceles
Bc
46. Two angles whose sum totals 180 degrees
Y
Isosceles
Supplementary
Extranous excluded
47. A point has no ________or thickness
Median
Symmetric
Equal
Size
48. i^2 = _____________
Extranous excluded
1
Radius
0
49. To calculate a permutation (order does not matter) what is the formula
Vertices
N!/ (n - r)!
1
D/c
50. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Rhomus
Roots
Median
Right angle