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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. Three or more points are said to be ___________if an only if they lie on the same line
Angle
Collinear
Slope
Acute
2. The _______ tells how many times the root needs to be multiplied by itself
Index
Isosceles
Symmetric
Rectangle
3. A triangle whose angles all equal 60 degrees
Equiangular
Reflex
(n/360) X 2pi r
N!/(r!(n - r)!)
4. The square of both a positive number and a negative real number is _____________
Point line
Quadratic formula
Positive
Every
5. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)
A x b x c
Associative
Parabola
Bisector
6. What type of trapezoid has its non parallel sides equal
Isosceles
Altitude
0
Point line
7. When you see f of g replace the x in f(x) with the ___________
Factor
G value
Quadratic formula
Parabola
8. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Bisector
Consecutive angles
Radius
I
9. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Rhomus
Acute
Straight
Quadratic formula
10. What is the formula for a combination (where order matters)
Size
Mildline
Index
N!/(r!(n - r)!)
11. 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
1
(c+d)/d
Distance between 2 points
12. For each real number a - for each real number b - if a= b - then b=a
Linear substitute
Symmetric
Ab
Side square root
13. 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
Trapezoid
1
Multiply
A x b x c
14. A line that joins the midpoint of two sides of a triangle is called the__________
Dependent
Triangle
Mildline
Area of a polygon
15. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Isosceles
Dependent
Straight line
A+b
16. Two angles with a common vertex and a common side but no common interior points
Secant
Adjacent
(n/360) X 2pi r
Straight
17. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Bh
Isosceles
Obtuse angle
Hyotenuse
18. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________
Extranous excluded
Reflexive
Factoral
Triangle
19. A triangle with three acute angles (less than 90 degrees)
A+b
Point slope formula
Acute
Square
20. In a logarithm the answer following the = sign is the __________
N!/(r!(n - r)!)
Collinear
Factor
Exponent
21. Two angles whose sum totals 90 degrees
Complimentary
Factor
G value
Positive
22. Is a polygon that is both equilateral and equangular
Consecutive angles
Exponent
Ratio
Regular polygon
23. The measure of a minor arc is the measure of the __________that intercepts the arc
Exterior angle
Vertical
Central angle
Angle
24. To calculate a permutation (order does not matter) what is the formula
Equiangular polygon
Downward
Factoral
N!/ (n - r)!
25. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Radius
Side square root
1/2 (d)^2
G value
26. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
A x b x c
Size
Trapezoid
Exterior angle
27. That points of intersection on a triangle are called its _____________
Rhomus
Ax+ by = c
Vertices
Subtract substitute
28. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
(c - d)/d
180
Median
0
29. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Mildline
Congruence
Distributive
Bc
30. What is the formula to calculate the area of a rectangle
(c - d)/d
Line
Bisector
Lw
31. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Straight line
A(bc)
1
Isosceles
32. A triangle whose sides are equal
Equilateral
Acute
Polygon
1
33. The segment from the center of the polygon perpendicular to as side of the polygon
Regular polygon
Parabola parallel line
Apothem
Isosceles
34. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
1/2h (b1 + b2)
Y
((n -2) (180))/n
Hyperbola
35. If you want to convert a fraction to a percentage you need to make it =
x over 100
4pi r^2
1/2 (d)^2
Addition subtration
36. In the law of proportion if a/b = c/d then (a+b)/ b =
Obtuse angle
(c+d)/d
Pi r^2 h
Radius
37. What is the linear equation where a - b and c are constants b cannot = 0
Exponent
Acute
Function single
Ax+ by = c
38. A line that divides a line segment into two congruent segments
Ax+ by = c
Inverse
Bisector
Extranous excluded
39. The surface area of a cube is what formula
6a^2
Downward
Median
Complex
40. y2- y1 divided by x2- x1 = the ____________
Ray
Equilateral
Slope
Straight line
41. The value of y where a point intersects the x axis = __________
0
Slope
Symmetric
Square
42. A parallelogram with right angles and equal diagonals
0
Rectangle
b/2a
Reflex
43. When you find the inverse of a function switch the x value with a ____ - solve for y
Acute
1
Length number
Y
44. What is the surface area of a right circular cylinder with a radius of r and a height of h
Symmetric
2pi r^2 + 2pi rh
1
Complimentary
45. 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
Transitive
Parabola
1/2 (d)^2
Rhomus
46. 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
Hyperbola
Multiply
2
47. A line that intersects a circle in tow point is called the _______
Isosceles
Secant
Transitive
Pi(d) 2(pi)r
48. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Area of a polygon
0
Bh
Point circle does not exist
49. 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
Scalene
Acute
Factor
Equal
50. A point has no ________or thickness
Reflex
Vertical
Size
Straight line