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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 you see f of g replace the x in f(x) with the ___________
G value
((n -2) (180))/n
Straight line
D/c
2. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
1
Negative
Hypotenuse
Radius
3. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point circle does not exist
Point line
Median
Congruent
4. The graph of y= ax^2 + bx + c is a curve know as a ____________
Parabola
Multiply
Complex
2
5. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Acute
6a^2
1/2h (b1 + b2)
2
6. The segment from the center of the polygon perpendicular to as side of the polygon
Transitive
Ellipse
Apothem
Bisector
7. 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 ___________
A+b
Factor
A(bc)
Extranous excluded
8. What is 4 to the power of 1/2 or 4^1/2
2
Isosceles
Length number
One
9. A line that joins the midpoint of two sides of a triangle is called the__________
1/2h (b1 + b2)
Mildline
Bisector
1
10. In a function the x value is the ___________variable
Ellipse
Dependent
Addition subtration
Negative
11. The square of both a positive number and a negative real number is _____________
(c - d)/d
Positive
Right angle
Pi r^2 h
12. What are the 2 formulas to calculate the circumference of a circle
Positive
Pi(d) 2(pi)r
Apothem
Circle
13. 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
Complex
Parabola parallel line
Commutative
A x b x c
14. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
(4ac - b^2)/4a
0
Inverse
Ray
15. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Right
Ab
Line
Distributive
16. 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)
Extranous excluded
x over 100
Addition subtration
Isosceles
17. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
4/3 pi r^3
Trapezoid
Equiangular
18. A __________is any process that assigns a ___________value of y to each number of x
A^3
Vertical
Function single
Equal
19. 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
((n -2) (180))/n
G value
Coplanar
Transitive
20. A point has no ________or thickness
Extranous excluded
Size
G value
Factoral
21. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Added
Downward
Pi r^2 h
Plane
22. What is the volume of a cone
1
1/3 pi r^2 h
A+b
Collinear
23. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Linear substitute
Apothem
Added
Central angle
24. A triangle with three acute angles (less than 90 degrees)
Point line
6a^2
(c - d)/d
Acute
25. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Equal
Ray
Roots
Acute
26. Positions = number of position can be calculated by finding the ______ of the total number of items
Equilateral polygon
Factoral
Distance between 2 points
(pi)r ^2
27. The union of two rays having the same end point
Ray
Angle
4/3 pi r^3
Equiangular polygon
28. What is a quadrilateral with 2 and only 2 sides parallel
Lw
(pi)r ^2
Trapezoid
Ray
29. Two angles with a common vertex and a common side but no common interior points
1/2bh
Congruent
Radius
Adjacent
30. What is the volume of a sphere with a radius r
Circumscribed circle
4/3 pi r^3
Distributive
0
31. The measure of a minor arc is the measure of the __________that intercepts the arc
Hyperbola
Factoral
Central angle
Slope
32. Is a polygon whose sides are equal in measure
A+b
Chord
Apothem
Equilateral polygon
33. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Altitude
Distance
Slope
1/3 pi r^2 h
34. What property of equality says that a=a
Parabola parallel line
Radius
Reflexive
Size
35. 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
Bc
A x b x c
Isosceles
Mildline
36. To calculate a permutation (order does not matter) what is the formula
1/3 pi r^2 h
N!/ (n - r)!
2pi r^2 + 2pi rh
Equal
37. Two angles whose sum totals 90 degrees
Isosceles
Point circle does not exist
Radius
Complimentary
38. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Distance between 2 points
Roots
S^2
Length number
39. 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)
Rhomus
((n -2) (180))/n
x
Point circle does not exist
40. In complex numbers the square root of -1 = ______
180
I
Reflexive
Triangle
41. Every real number is a ______________
Complex
Rhomus
((n -2) (180))/n
Transitive
42. 1/a^n can also be written as a to the ______
Regular polygon
Rhomus
n
Equal
43. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Consecutive angles
Ab
(c - d)/d
Regular polygon
44. The square of 0 is _____
Congruent
0
Chord
A x b x c
45. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
Dependent
Coplanar
Ellipse
46. Log base b to the b = ____________
1
Quadratic formula
Point line
(4ac - b^2)/4a
47. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Subtract substitute
Pi r^2 h
1/3 pi r^2 h
48. How do you calculate the area of a parallelogram - what is the formula
Area of a polygon
G value
Polygon
Bh
49. The surface area of a cube is what formula
Negative
Reflex
1/2 (d)^2
6a^2
50. The set of all points on a half line and the dividing point itself
Roots
Rhomus
Ray
Multiply