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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 probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Added
Obtuse angle
Linear substitute
Transitive
2. If you want to convert a fraction to a percentage you need to make it =
Pi r^2 h
x over 100
Size
Multiply
3. Two angles whose sum totals 90 degrees
Complimentary
Polygon
Addition subtration
Factor
4. Every real number is a ______________
Complex
Extranous excluded
Congruent
Supplementary
5. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Collinear
Multiply
Point circle does not exist
Area of a polygon
6. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Ab
1
Equilateral
Complex
7. 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
Y
Linear substitute
Bisector
Straight
8. What is a quadrilateral with 2 and only 2 sides parallel
1
Extranous excluded
Trapezoid
Supplementary
9. 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 __________ (b^2-4ac greater then 0)
1
Negative
Parabola
Hyperbola
10. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Congruent
(4ac - b^2)/4a
A+b
n
11. In a function the x value is the ___________variable
Point line
Isosceles
Chord
Dependent
12. Is a polygon whose angles are equal in measurement
Parabola parallel line
(n/360) X 2pi r
Distance between 2 points
Equiangular polygon
13. Angles that are equal
Equiangular polygon
Circumscribed circle
Bisector
Congruent
14. In order to decimal to a percentage you need to ______ by 100
Circle
1/3 pi r^2 h
Multiply
Congruence
15. In the law of proportion if a/b = c/d then ad =
2
Parallel
Bc
Symmetric
16. What is the formula for the area of a circle
Parallel
Triangle
Subtract substitute
(pi)r ^2
17. Three or more points are said to be ___________if an only if they lie on the same line
Collinear
Ray
Linear substitute
(pi)r ^2
18. Log base b to the b = ____________
n
A^3
1
Isosceles
19. The union of two rays having the same end point
Multiply
Ellipse
Circle
Angle
20. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Vertical
Slope
0
Apothem
21. A triangle whose sides are equal
Equilateral
Ellipse
Isosceles
Point slope formula
22. A point has no ________or thickness
Linear substitute
0
Size
Exterior angle
23. 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
Size
Factoral
A x b x c
Bc
24. The least common multiple is the smallest quantity divisible by ______ number of the set
Every
Congruent
Straight line
Supplementary
25. In the law of proportion if a/b = c/d then (a - b)/b =
Subtract substitute
Supplementary
(c - d)/d
2pi r^2 + 2pi rh
26. In the law of proportion if a/b = c/d then b/a =
Perpendicular
D/c
Regular polygon
Obtuse angle
27. A series adjacent points that connect
Line
Bisect
Equiangular
Rhomus
28. An angle whose measure is larger than 90 degrees but less than 180 degrees
1/3 pi r^2 h
Median
Line
Obtuse angle
29. An angle whose measure is 90 degrees
Ab
Right angle
1/2 (d)^2
Circle
30. To calculate a permutation (order does not matter) what is the formula
n
Parallelogram
Multiply
N!/ (n - r)!
31. What is the formula for the area of a rhomus - (hint d= diagonal)
Added
1/2 (d1 + d2)
Right angle
Radius
32. A ray _________ divides the angle into 2 angles that have equal measure
Index
1/3 pi r^2 h
Bisect
Ray
33. The square of both a positive number and a negative real number is _____________
Positive
Bisect
Parallelogram
Polygon
34. The segment from the center of the polygon perpendicular to as side of the polygon
Apothem
Associative
One
Negative
35. A _________ number is a number that can be written in the form of a + bi
Complex
Circumscribed circle
Bh
Equilateral
36. The volume of a cube is
A^3
Isosceles
Factor
A+b
37. A line that intersects a circle in tow point is called the _______
Polygon
Vertical
Mildline
Secant
38. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
Complex
Distance between 2 points
Isosceles
39. An angle whose measure is greater than 180 degrees and less than 360 degrees
Equilateral polygon
Ellipse
Radius
Reflex
40. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Parallelogram
Radius
(c - d)/d
A+b
41. A set of points in the seame plane equidistant from a fixed point - called its center
1/2 (d)^2
Dependent
1/2bh
Circle
42. A triangle with three acute angles (less than 90 degrees)
Acute
A+b
180
(pi)r ^2
43. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Distributive
Roots
((n -2) (180))/n
Perpendicular
44. 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
Positive
0
Parabola parallel line
6a^2
45. 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 __________ (if a - b and c are not zero)
Scalene
Polygon
Ellipse
I
46. In complex numbers the square root of -1 = ______
Size
Collinear
0
I
47. What is the formula for a square if you only know the length of the diaganol
0
Pi(d) 2(pi)r
1/2 (d)^2
Hyotenuse
48. i^2 = _____________
Rhomus
Supplementary
Equiangular
1
49. A triangle with having at least 2 equal sides
Transitive
Regular polygon
Isosceles
Straight line
50. An angle whose measure is 180 degrees
A+b
1/2bh
Straight
I