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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. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Distance between 2 points
Size
Bh
Parallel
2. y2- y1 divided by x2- x1 = the ____________
Polygon
Vertices
Coplanar
Slope
3. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse angle
Obtuse
Point line
Straight line
4. A line that divides a line segment into two congruent segments
Every
Obtuse angle
Bisector
N!/ (n - r)!
5. What is the formula for the area of a triangle
Vertices
Obtuse angle
Distributive
1/2bh
6. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Altitude
Every
Ab
Positive
7. The square of a real number cannot be ___________
Central angle
Negative
D/c
0
8. A series adjacent points that connect
Line
Reflex
Distance
Multiply
9. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
S^2
Altitude
Factoral
Acute
10. An angle whose measure is 180 degrees
Straight
Slope
One
Pi(d) 2(pi)r
11. 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 ___________
Isosceles
Extranous excluded
Distance
180
12. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Right
Hyotenuse
Median
Scalene
13. Log base b to the b^x =
x
1
Pi(d) 2(pi)r
(c - d)/d
14. If you want to convert a fraction to a percentage you need to make it =
x over 100
Commutative
Reflexive
0
15. When you find the inverse of a function switch the x value with a ____ - solve for y
1/2h (b1 + b2)
Y
Radius
(c - d)/d
16. What is the formula for a combination (where order matters)
N!/(r!(n - r)!)
Point circle does not exist
Distance between 2 points
Downward
17. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
Acute
One
Size
18. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Central angle
Straight line
1/3Bh
N!/(r!(n - r)!)
19. What is the formula the formula for an arc if you know the radius and the n= central angle
Linear substitute
(n/360) X 2pi r
Congruent
Isosceles
20. A collection of points lying on a flat surface that extend indefinitely in any direction
Multiply
A x b x c
Positive
Plane
21. The square of both a positive number and a negative real number is _____________
1
Positive
(n/360) X 2pi r
1/3Bh
22. A line that joins the midpoint of two sides of a triangle is called the__________
Y
Acute
Mildline
Coplanar
23. Every real number is a ______________
Reflexive
Isosceles
((n -2) (180))/n
Complex
24. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Regular polygon
Y
Side square root
Ratio
25. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
Linear substitute
N!/(r!(n - r)!)
(c - d)/d
26. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Central angle
Equilateral polygon
Polygon
Ab
27. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Rhomus
Consecutive angles
Arc
6a^2
28. 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
Downward
Quadratic formula
Bh
29. A _________ number is a number that can be written in the form of a + bi
Obtuse
Bisect
Complex
Scalene
30. Two angles whose sum totals 90 degrees
Isosceles
Complimentary
Y
Subtract substitute
31. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Roots
Scalene
Regular polygon
Point line
32. Three or more points are said to be ___________if an only if they lie on the same line
Isosceles
Distance between 2 points
Collinear
Point circle does not exist
33. How do you calculate the area of a parallelogram - what is the formula
Point slope formula
Acute
Pi r^2 h
Bh
34. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Secant
Roots
Linear substitute
Rhomus
35. The union of two rays having the same end point
Angle
Radius
Coplanar
Obtuse angle
36. That points of intersection on a triangle are called its _____________
Consecutive angles
Vertices
One
Bc
37. What is the surface area of a sphere with a radius r
(pi)r ^2
A x b x c
Radius
4pi r^2
38. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
1
Added
Right
Isosceles
39. Two angles whose sum totals 180 degrees
Ab
Altitude
Bisect
Supplementary
40. In the law of proportion if a/b = c/d then (a - b)/b =
Side square root
(c - d)/d
G value
Parallelogram
41. For each real number a - for each real number b - if a= b - then b=a
Symmetric
Addition subtration
n
2
42. 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
Ray
Y
I
Subtract substitute
43. The greatest common factor is the largest __________that is common to all member of the set
Every
0
Added
Factor
44. What is a quadrilateral with 2 and only 2 sides parallel
Negative
Trapezoid
A+b
x over 100
45. 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
Linear substitute
Parabola parallel line
Distributive
b/2a
46. What is the linear equation where a - b and c are constants b cannot = 0
Ax+ by = c
Size
n
Negative
47. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
Inverse
2
Complex
48. A rhomus with a right angle
Right
Square
Scalene
(4ac - b^2)/4a
49. A triangle with having at least 2 equal sides
Parabola parallel line
Circumscribed circle
1/2h (b1 + b2)
Isosceles
50. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Ratio
Parallelogram
Equal
(c+d)/d
Can you answer 50 questions in 15 minutes?
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