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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. The sum of the interior angles of a triangle = ___________
Positive
Perpendicular
Mildline
180
2. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Parabola parallel line
Commutative
2pi r^2 + 2pi rh
Side square root
3. The x value of the vertex of a parabola is the equation
Angle
Factor
b/2a
Added
4. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Obtuse
Isosceles
1/2h (b1 + b2)
4/3 pi r^3
5. The segment from the center of the polygon perpendicular to as side of the polygon
Complex
Bc
Apothem
Isosceles
6. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Ab
Roots
180
Bh
7. A rhomus with a right angle
0
Square
I
Straight
8. What is the formula for the area of a triangle
Rectangle
1/2bh
Square
Lw
9. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Congruent
D/c
Circumscribed circle
Ratio
10. A line segment joining two poing on a circle is called a ________
Coplanar
1/2 (d)^2
Chord
Quadratic formula
11. If you want to convert a fraction to a percentage you need to make it =
I
x over 100
Exterior angle
Hyperbola
12. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Roots
Plane
Radius
Altitude
13. What is the formula to calculate the area of a rectangle
Lw
Point slope formula
Point circle does not exist
Commutative
14. 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
Scalene
Linear substitute
1
Equal
15. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
I
Equiangular polygon
Added
Multiply
16. What is the formula for the area of a circle
(pi)r ^2
Circumscribed circle
0
Isosceles
17. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Transitive
Hyotenuse
D/c
Secant
18. What is the area of a pyramid or cone (hint B= area of Base)
Area of a polygon
1
180
1/3Bh
19. The y value of the vertex of parabola is the equation
1/2h (b1 + b2)
Downward
Circumscribed circle
(4ac - b^2)/4a
20. Two angles whose sum totals 90 degrees
Complimentary
Regular polygon
Right angle
Acute
21. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Exponent
Triangle
N!/(r!(n - r)!)
Inverse
22. Positions = number of position can be calculated by finding the ______ of the total number of items
Factoral
Subtract substitute
Hypotenuse
Y
23. A series adjacent points that connect
Size
Congruence
Line
Ray
24. In the law of proportion if a/b = c/d then ad =
Multiply
Area of a polygon
Bc
0
25. What is the volume of a cone
D/c
1/3 pi r^2 h
Hyperbola
1/2bh
26. For each real number a - for each real number b - if a= b - then b=a
Congruence
4/3 pi r^3
Bh
Symmetric
27. The ____________ says y - y1= m(x-x1)
Pi(d) 2(pi)r
1/3Bh
Point slope formula
0
28. Angles that are equal
Central angle
Congruent
Quadratic formula
Parallelogram
29. The absolue value of the difference of the coordinates of any two points on the real number line
1/2bh
Distance
Isosceles
Equiangular polygon
30. A ray _________ divides the angle into 2 angles that have equal measure
2pi r^2 + 2pi rh
4pi r^2
Multiply
Bisect
31. 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
Distance
Consecutive angles
1
Circle
32. A closed three sided figure is called a ____________
Triangle
Subtract substitute
Arc
(c - d)/d
33. The graph of y= ax^2 + bx + c is a curve know as a ____________
Parabola
Right
2
Associative
34. y2- y1 divided by x2- x1 = the ____________
Slope
Hyotenuse
Length number
Straight
35. The value of x where a point intersects the Y axis= ___________
1/2 (d)^2
Secant
0
Positive
36. A parallelogram with right angles and equal diagonals
Equilateral
4pi r^2
Vertical
Rectangle
37. When you see f of g replace the x in f(x) with the ___________
Supplementary
1/2bh
G value
Y
38. The _______ tells how many times the root needs to be multiplied by itself
Coplanar
4pi r^2
Index
Ellipse
39. A collection of points lying on a flat surface that extend indefinitely in any direction
Commutative
Side square root
Plane
Area of a polygon
40. What is 4 to the power of 1/2 or 4^1/2
Y
2
Obtuse angle
Added
41. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
I
Ab
Radius
42. In a logarithm the answer following the = sign is the __________
Complimentary
Index
G value
Exponent
43. That points of intersection on a triangle are called its _____________
Coplanar
Quadratic formula
Vertices
1
44. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Bisector
4pi r^2
1/2 (d)^2
Exterior angle
45. Two angles whose sum totals 180 degrees
Parabola
4pi r^2
Supplementary
Negative
46. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
2
Consecutive angles
Central angle
(pi)r ^2
47. The union of two rays having the same end point
Angle
N!/(r!(n - r)!)
(c+d)/d
Pi r^2 h
48. A triangle with having at least 2 equal sides
Isosceles
Secant
Regular polygon
Parabola
49. What is the formula the formula for an arc if you know the radius and the n= central angle
1/2bh
Point line
(n/360) X 2pi r
Pi(d) 2(pi)r
50. In order to decimal to a percentage you need to ______ by 100
Multiply
Supplementary
Isosceles
Ratio