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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. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Pi r^2 h
A^3
Extranous excluded
((n -2) (180))/n
2. When you find the inverse of a function switch the x value with a ____ - solve for y
Y
(c+d)/d
b/2a
Multiply
3. An angle whose measure is larger than 90 degrees but less than 180 degrees
Every
1
((n -2) (180))/n
Obtuse angle
4. An angle whose measure is 180 degrees
(c+d)/d
N!/ (n - r)!
Straight
Ab
5. i^2 = _____________
1
Bh
Point circle does not exist
Ray
6. 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
Transitive
Point line
Collinear
Linear substitute
7. The surface area of a cube is what formula
Ratio
6a^2
Slope
Multiply
8. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
Bh
Right
1/2bh
9. A closed three sided figure is called a ____________
Triangle
1
One
Extranous excluded
10. The least common multiple is the smallest quantity divisible by ______ number of the set
Every
Isosceles
Radius
Pi(d) 2(pi)r
11. Positions = number of position can be calculated by finding the ______ of the total number of items
(4ac - b^2)/4a
x
Factoral
Side square root
12. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Bh
Downward
Parabola parallel line
Every
13. What is the formula for the area of a circle
(pi)r ^2
Lw
Multiply
Scalene
14. A __________is any process that assigns a ___________value of y to each number of x
x over 100
Function single
1
Downward
15. The greatest common factor is the largest __________that is common to all member of the set
Factor
Complex
0
Radius
16. In the law of proportion if a/b = c/d then b/a =
Isosceles
Scalene
D/c
4/3 pi r^3
17. An angle whose measure is greater than 180 degrees and less than 360 degrees
Lw
Reflex
1/3Bh
Factoral
18. The value of x where a point intersects the Y axis= ___________
Parabola
Associative
0
Point slope formula
19. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Side square root
G value
Isosceles
Ratio
20. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Hyperbola
2
Length number
Vertical
21. A triangle with one obtuse angle (angle greater than 90 degrees) is
Perpendicular
Rhomus
Side square root
Obtuse
22. A line that intersects a circle in tow point is called the _______
Secant
(4ac - b^2)/4a
Y
(n/360) X 2pi r
23. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
Mildline
Transitive
I
24. The measure of a minor arc is the measure of the __________that intercepts the arc
Central angle
Straight line
Polygon
(n/360) X 2pi r
25. 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)
((n -2) (180))/n
1/3 pi r^2 h
Equilateral polygon
Point circle does not exist
26. Is a polygon whose sides are equal in measure
D/c
Side square root
Equilateral polygon
I
27. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
A(bc)
Hyperbola
Vertices
x over 100
28. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c
Right angle
Square
Transitive
Exponent
29. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
1/2h (b1 + b2)
Isosceles
6a^2
(n/360) X 2pi r
30. 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
Lw
Equal
Isosceles
N!/(r!(n - r)!)
31. A triangle whose angles all equal 60 degrees
Equiangular
A^3
4pi r^2
Regular polygon
32. The square of 0 is _____
0
Added
4pi r^2
Parabola parallel line
33. Log base b to the b^x =
Point line
Area of a polygon
1/2 (d1 + d2)
x
34. A triangle with a 90 degrees angle
Parallel
1/3 pi r^2 h
Slope
Right
35. 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
Ratio
One
n
36. What is the formula for the area of a rhomus - (hint d= diagonal)
1/2 (d1 + d2)
S^2
Congruent
D/c
37. In complex numbers the square root of -1 = ______
Arc
Equal
I
1
38. The set of all points on a half line and the dividing point itself
Equilateral polygon
Parallelogram
Ray
1
39. What is the square of ((x1-x2) + (y1- y2)) =
Ray
Distance between 2 points
1/2 (d)^2
Circumscribed circle
40. A ray _________ divides the angle into 2 angles that have equal measure
Y
Bisect
S^2
Distance between 2 points
41. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
1/2h (b1 + b2)
Equilateral
Commutative
Isosceles
42. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Rhomus
0
Straight line
Hypotenuse
43. What are the 2 formulas to calculate the circumference of a circle
0
Pi r^2 h
Area of a polygon
Pi(d) 2(pi)r
44. A _________ number is a number that can be written in the form of a + bi
Complex
Addition subtration
N!/ (n - r)!
Positive
45. ___________is a quadrilateral whose opposite sides are parallel
Y
Square
Parallelogram
Exponent
46. What type of trapezoid has its non parallel sides equal
Quadratic formula
Isosceles
b/2a
x over 100
47. What property of equality says that a=a
1/2 (d)^2
b/2a
Reflexive
Isosceles
48. A line that joins the midpoint of two sides of a triangle is called the__________
Mildline
1
180
(4ac - b^2)/4a
49. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Radius
Obtuse
n
Ab
50. In the law of proportion if a/b = c/d then ad =
Downward
Function single
Bc
Equilateral polygon