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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. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Ray
Size
Exterior angle
(n/360) X 2pi r
2. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Length number
N!/ (n - r)!
Radius
Bisect
3. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Commutative
Straight
Point circle does not exist
Area of a polygon
4. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Ab
Negative
Inverse
Altitude
5. If you want to convert a fraction to a percentage you need to make it =
A+b
Index
Ratio
x over 100
6. Two angles whose sum totals 90 degrees
Complimentary
Hypotenuse
Ray
N!/(r!(n - r)!)
7. An angle whose measure is 180 degrees
Equal
Downward
Index
Straight
8. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable
Subtract substitute
Obtuse
Coplanar
Consecutive angles
9. In a logarithm the answer following the = sign is the __________
Angle
Exponent
Secant
Reflexive
10. A triangle whose sides are equal
Equilateral
I
Dependent
Mildline
11. A rhomus with a right angle
Secant
Multiply
Square
Parallelogram
12. Positions = number of position can be calculated by finding the ______ of the total number of items
Positive
Factoral
Factor
Complimentary
13. 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 ___________
Every
Extranous excluded
Subtract substitute
(4ac - b^2)/4a
14. ___________is a quadrilateral whose opposite sides are parallel
Obtuse angle
Isosceles
Parallelogram
Ax+ by = c
15. The y value of the vertex of parabola is the equation
Acute
(4ac - b^2)/4a
Circle
Reflexive
16. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Pi r^2 h
Every
Triangle
Lw
17. A series adjacent points that connect
Line
Angle
1/3 pi r^2 h
Point slope formula
18. For each real number a - for each real number b - if a= b - then b=a
Area of a polygon
Symmetric
Negative
Quadratic formula
19. In order to decimal to a percentage you need to ______ by 100
Parallel
N!/ (n - r)!
Multiply
Radius
20. What is a quadrilateral with 2 and only 2 sides parallel
N!/ (n - r)!
Equiangular
Trapezoid
Chord
21. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
1/3Bh
Slope
Downward
Pi r^2 h
22. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
D/c
Distance between 2 points
Radius
Added
23. y2- y1 divided by x2- x1 = the ____________
I
Slope
Parallel
Obtuse
24. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Line
A(bc)
((n -2) (180))/n
Point line
25. What is the formula for a square if you only know the length of the diaganol
1/2 (d)^2
Roots
Central angle
Every
26. If all points lie in the same plane they are __________
Hyperbola
Coplanar
Function single
Radius
27. The least common multiple is the smallest quantity divisible by ______ number of the set
Every
Lw
Vertices
1/2bh
28. Every real number is a ______________
Addition subtration
0
Supplementary
Complex
29. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Index
Square
1/2h (b1 + b2)
Function single
30. 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
1
Distance
Right
Angle
31. What property of equality says that a=a
Reflexive
Exterior angle
4/3 pi r^3
Hyotenuse
32. Log base b to the b = ____________
Distance
Vertical
1
Bc
33. What is the volume of a cone
Reflexive
Line
1/3 pi r^2 h
S^2
34. A parallelogram with right angles and equal diagonals
1/2h (b1 + b2)
Rectangle
1/3 pi r^2 h
Ellipse
35. When you see f of g replace the x in f(x) with the ___________
Equilateral
0
1/2 (d1 + d2)
G value
36. What is the formula for the area of a square
Straight line
S^2
Y
Multiply
37. The measure of a minor arc is the measure of the __________that intercepts the arc
Central angle
Line
1/2 (d)^2
Radius
38. i^2 = _____________
Radius
Acute
1
Ratio
39. The sum of the interior angles of a triangle = ___________
Plane
180
Equiangular
(n/360) X 2pi r
40. A triangle with a 90 degrees angle
Positive
Radius
Associative
Right
41. Two angles whose sum totals 180 degrees
4pi r^2
(c+d)/d
Supplementary
Circumscribed circle
42. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Equilateral polygon
Acute
Trapezoid
Vertical
43. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Exterior angle
Function single
Bc
((n -2) (180))/n
44. 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)
1/2 (d1 + d2)
Straight
Point circle does not exist
Adjacent
45. In a function the x value is the ___________variable
Right
Coplanar
Dependent
1/3Bh
46. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
Adjacent
4pi r^2
Exponent
47. Angles that are equal
Congruent
Pi r^2 h
Consecutive angles
Positive
48. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
2
Acute
Hyotenuse
Size
49. 1/a^n can also be written as a to the ______
Rhomus
Secant
Complex
n
50. The greatest common factor is the largest __________that is common to all member of the set
Straight line
Factor
Equiangular
Complex