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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. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Size
1/2h (b1 + b2)
Addition subtration
Ratio
2. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
0
(c+d)/d
Equilateral
Ratio
3. The set of all points on a half line and the dividing point itself
Congruence
Factoral
0
Ray
4. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
1/3 pi r^2 h
Radius
180
Ax+ by = c
5. A line that joins the midpoint of two sides of a triangle is called the__________
Symmetric
x over 100
Mildline
Addition subtration
6. Two angles with a common vertex and a common side but no common interior points
Coplanar
Adjacent
x over 100
Ratio
7. y2- y1 divided by x2- x1 = the ____________
Scalene
Obtuse
Slope
One
8. Is a polygon whose sides are equal in measure
2pi r^2 + 2pi rh
Complex
Exterior angle
Equilateral polygon
9. Two distinct straight lines can intersect at most at only one point
Ratio
One
Distance between 2 points
S^2
10. An angle whose measure is greater than 180 degrees and less than 360 degrees
Pi r^2 h
Straight line
Reflex
n
11. An angle whose measure is 90 degrees
Distance
A x b x c
Right angle
Parabola
12. 1/a^n can also be written as a to the ______
Area of a polygon
Added
(4ac - b^2)/4a
n
13. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
Distance between 2 points
Altitude
Ellipse
14. A ray _________ divides the angle into 2 angles that have equal measure
Coplanar
Bisect
Acute
A x b x c
15. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Altitude
Mildline
Exterior angle
Rhomus
16. What is 4 to the power of 1/2 or 4^1/2
Subtract substitute
Parallel
Central angle
2
17. What property of equality says that a=a
Reflexive
Y
Bisector
Lw
18. If a triangle has two congruent sides then it is an _________triangle
A x b x c
Vertices
Right angle
Isosceles
19. The side of a right triangle opposite the right angle
Hypotenuse
Mildline
Vertical
4/3 pi r^3
20. The segment from the center of the polygon perpendicular to as side of the polygon
Median
Area of a polygon
Apothem
(4ac - b^2)/4a
21. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
x over 100
Transitive
Length number
4/3 pi r^3
22. The _______ tells how many times the root needs to be multiplied by itself
(n/360) X 2pi r
Rectangle
Index
I
23. How do you calculate the area of a parallelogram - what is the formula
Extranous excluded
Bh
Vertical
Bisect
24. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
(n/360) X 2pi r
Side square root
Equilateral polygon
25. The square of 0 is _____
0
Multiply
Acute
Subtract substitute
26. What is the formula to calculate the area of a rectangle
Lw
Quadratic formula
0
(c - d)/d
27. A triangle whose sides are equal
Acute
Isosceles
Addition subtration
Equilateral
28. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Congruence
Complex
180
A+b
29. What is a quadrilateral with 2 and only 2 sides parallel
Isosceles
Trapezoid
Ray
Acute
30. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem
x
Quadratic formula
Equiangular polygon
Function single
31. If you want to convert a fraction to a percentage you need to make it =
x over 100
Factor
Equal
Straight line
32. Angles that are equal
Trapezoid
Secant
Factoral
Congruent
33. That points of intersection on a triangle are called its _____________
Vertices
Ray
A x b x c
Size
34. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Hyotenuse
Radius
Isosceles
Inverse
35. The sum of the interior angles of a triangle = ___________
Complex
180
Vertices
Index
36. Two angles whose sum totals 90 degrees
Collinear
Y
Complimentary
Circumscribed circle
37. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Equiangular polygon
Hypotenuse
Added
Negative
38. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Square
Straight line
0
Consecutive angles
39. For each real number a - for each real number b - if a= b - then b=a
Mildline
Symmetric
Radius
Bh
40. A point has no ________or thickness
Point slope formula
Size
N!/ (n - r)!
Circumscribed circle
41. A triangle with one obtuse angle (angle greater than 90 degrees) is
Adjacent
A x b x c
Hyotenuse
Obtuse
42. In order to decimal to a percentage you need to ______ by 100
Regular polygon
Roots
Multiply
D/c
43. A set of points in the seame plane equidistant from a fixed point - called its center
6a^2
Straight line
Circle
x over 100
44. i^2 = _____________
Bc
1
Obtuse
D/c
45. What is the square of ((x1-x2) + (y1- y2)) =
Line
Distance between 2 points
(c - d)/d
Bisector
46. The x value of the vertex of a parabola is the equation
((n -2) (180))/n
Central angle
Ellipse
b/2a
47. A portion of a circle is called an ________ of the circle
Mildline
A(bc)
Arc
Ray
48. What are the 2 formulas to calculate the circumference of a circle
Pi r^2 h
1
Pi(d) 2(pi)r
Distance
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
Equal
Bh
Commutative
Point line
50. Is a polygon whose angles are equal in measurement
Bisect
A(bc)
Equilateral polygon
Equiangular polygon