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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. 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
Reflexive
Index
Chord
A x b x c
2. 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
Linear substitute
Plane
Apothem
Radius
3. A line that joins the midpoint of two sides of a triangle is called the__________
0
N!/(r!(n - r)!)
Mildline
Square
4. What is 4 to the power of 1/2 or 4^1/2
1
Equilateral
2
Ray
5. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist
Parabola parallel line
Bh
Parallel
Apothem
6. A series adjacent points that connect
Trapezoid
Distance between 2 points
Line
Regular polygon
7. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Lw
x over 100
Bisector
A+b
8. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
x
Vertical
Factor
Distance between 2 points
9. i^2 = _____________
1
Angle
4pi r^2
Mildline
10. In a function the x value is the ___________variable
Obtuse
Radius
Ellipse
Dependent
11. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Perpendicular
Congruent
Side square root
Polygon
12. Is a polygon whose angles are equal in measurement
Equiangular polygon
Bh
Acute
Ab
13. A line that divides a line segment into two congruent segments
Square
Bisector
0
4pi r^2
14. What is the formula to calculate the area of a rectangle
Straight line
Scalene
Roots
Lw
15. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Radius
Exterior angle
Equiangular polygon
Multiply
16. What is a quadrilateral with 2 and only 2 sides parallel
Complimentary
Every
Trapezoid
Parallel
17. To calculate a permutation (order does not matter) what is the formula
Regular polygon
N!/ (n - r)!
1/2bh
Length number
18. 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)
A(bc)
Addition subtration
Extranous excluded
S^2
19. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Ab
Distributive
Rhomus
6a^2
20. In a logarithm the answer following the = sign is the __________
Exponent
2
Pi(d) 2(pi)r
Added
21. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse
Dependent
Bisect
1/2h (b1 + b2)
22. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Acute
A(bc)
Rhomus
Multiply
23. The volume of a cube is
Linear substitute
One
Factoral
A^3
24. In the law of proportion if a/b = c/d then (a - b)/b =
Transitive
(c - d)/d
Inverse
2pi r^2 + 2pi rh
25. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Downward
Trapezoid
Hyperbola
Complex
26. Log base b to the b = ____________
Equilateral polygon
Parabola parallel line
Reflex
1
27. When you find the inverse of a function switch the x value with a ____ - solve for y
1/3 pi r^2 h
Equal
Y
Arc
28. In the law of proportion if a/b = c/d then (a+b)/ b =
Plane
(c+d)/d
Equilateral polygon
Equilateral
29. What is the formula for the area of a circle
(pi)r ^2
((n -2) (180))/n
Index
Central angle
30. What is the surface area of a right circular cylinder with a radius of r and a height of h
S^2
2pi r^2 + 2pi rh
A^3
Function single
31. The _______ tells how many times the root needs to be multiplied by itself
b/2a
One
Index
Bc
32. A triangle with no equal sides
A x b x c
Associative
Scalene
Length number
33. What are the 2 formulas to calculate the circumference of a circle
Isosceles
Pi(d) 2(pi)r
Complex
Line
34. What is the formula for a combination (where order matters)
Right angle
One
N!/(r!(n - r)!)
1/2 (d)^2
35. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Regular polygon
A+b
Supplementary
((n -2) (180))/n
36. 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
Equal
I
Scalene
Triangle
37. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
N!/(r!(n - r)!)
Ellipse
Regular polygon
Consecutive angles
38. The value of y where a point intersects the x axis = __________
0
1/2h (b1 + b2)
A^3
Rectangle
39. When you see f of g replace the x in f(x) with the ___________
Reflexive
Addition subtration
G value
Inverse
40. A collection of points lying on a flat surface that extend indefinitely in any direction
Polygon
Collinear
Plane
Distance between 2 points
41. What is the square of ((x1-x2) + (y1- y2)) =
Distance between 2 points
Factoral
Area of a polygon
Side square root
42. Is a polygon that is both equilateral and equangular
(c+d)/d
Regular polygon
Inverse
Distance
43. A point has no ________or thickness
Radius
Size
Length number
6a^2
44. A ray _________ divides the angle into 2 angles that have equal measure
2pi r^2 + 2pi rh
Bisect
Obtuse
Area of a polygon
45. The set of all points on a half line and the dividing point itself
Ray
1/2bh
((n -2) (180))/n
Isosceles
46. The absolue value of the difference of the coordinates of any two points on the real number line
Lw
Pi r^2 h
1/2h (b1 + b2)
Distance
47. 1/a^n can also be written as a to the ______
Pi(d) 2(pi)r
n
Slope
0
48. What is the formula the formula for an arc if you know the radius and the n= central angle
Size
Pi r^2 h
Ab
(n/360) X 2pi r
49. That points of intersection on a triangle are called its _____________
Vertices
n
Ax+ by = c
2
50. A __________________ is a circle passing through all the vertices of a polygon
Isosceles
Coplanar
4pi r^2
Circumscribed circle
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