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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. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Adjacent
Transitive
Negative
Straight line
2. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Obtuse angle
0
A(bc)
Added
3. An angle whose measure is greater than 180 degrees and less than 360 degrees
N!/ (n - r)!
Reflex
Lw
2pi r^2 + 2pi rh
4. The absolue value of the difference of the coordinates of any two points on the real number line
1
Right angle
Rectangle
Distance
5. 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)
Triangle
Ellipse
Distance
Size
6. 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
x
Rectangle
Subtract substitute
Plane
7. The square of 0 is _____
0
Obtuse angle
Dependent
Side square root
8. A point has no ________or thickness
Altitude
Size
1/3Bh
Right angle
9. What is the formula the formula for an arc if you know the radius and the n= central angle
(n/360) X 2pi r
Equilateral
Obtuse angle
Exterior angle
10. A _________ number is a number that can be written in the form of a + bi
Complex
Regular polygon
(n/360) X 2pi r
Equilateral
11. What is the formula to calculate the area of a rectangle
Regular polygon
Bisector
Scalene
Lw
12. What is the volume of a cone
1/2 (d1 + d2)
Isosceles
Congruence
1/3 pi r^2 h
13. An angle whose measure is 180 degrees
A x b x c
Straight
Pi(d) 2(pi)r
Regular polygon
14. In a function the x value is the ___________variable
Dependent
Vertical
Negative
b/2a
15. What is the linear equation where a - b and c are constants b cannot = 0
Isosceles
G value
Hyotenuse
Ax+ by = c
16. What is the formula for the area of a rhomus - (hint d= diagonal)
N!/ (n - r)!
I
Size
1/2 (d1 + d2)
17. A __________________ is a circle passing through all the vertices of a polygon
2
Pi(d) 2(pi)r
Circumscribed circle
1/3 pi r^2 h
18. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
180
Transitive
1
Area of a polygon
19. What is the formula for the area of a triangle
0
I
1/2bh
Scalene
20. What property of equality says that a=a
Transitive
Reflexive
Y
Supplementary
21. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Bisect
Radius
Parallelogram
Acute
22. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Exponent
Median
Equal
Length number
23. That points of intersection on a triangle are called its _____________
Function single
Ellipse
Regular polygon
Vertices
24. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Pi(d) 2(pi)r
1
Distance between 2 points
A+b
25. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Altitude
Pi r^2 h
Straight
Median
26. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Dependent
Subtract substitute
Consecutive angles
One
27. What is 4 to the power of 1/2 or 4^1/2
Adjacent
1/2bh
Parabola parallel line
2
28. The side of a right triangle opposite the right angle
Hypotenuse
Apothem
Parallelogram
1
29. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
0
Y
Ratio
30. What is the surface area of a right circular cylinder with a radius of r and a height of h
2pi r^2 + 2pi rh
Isosceles
Straight line
Right angle
31. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
Bh
Triangle
Angle
32. A ___________is a figure with the same number of sides as angles
Polygon
Extranous excluded
Bh
Right angle
33. Is a polygon that is both equilateral and equangular
Vertices
Point circle does not exist
Regular polygon
Equilateral polygon
34. Two angles whose sum totals 180 degrees
Supplementary
Associative
Every
Collinear
35. y2- y1 divided by x2- x1 = the ____________
1
n
Right
Slope
36. If you want to convert a fraction to a percentage you need to make it =
1
((n -2) (180))/n
1/2 (d)^2
x over 100
37. The segment from the center of the polygon perpendicular to as side of the polygon
Reflexive
Apothem
D/c
Obtuse angle
38. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
0
Commutative
Line
Distance between 2 points
39. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Rhomus
G value
Perpendicular
Side square root
40. A __________is any process that assigns a ___________value of y to each number of x
(n/360) X 2pi r
Secant
Function single
Addition subtration
41. A triangle whose angles all equal 60 degrees
x over 100
Equiangular
Hypotenuse
Multiply
42. The union of two rays having the same end point
Ellipse
Parabola
Angle
Straight line
43. A portion of a circle is called an ________ of the circle
Equiangular
Polygon
Arc
Parabola
44. A line that joins the midpoint of two sides of a triangle is called the__________
Mildline
1/3Bh
Equilateral polygon
Straight line
45. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Added
Collinear
x over 100
Parallelogram
46. 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
Hyperbola
1
I
Extranous excluded
47. Is a polygon whose sides are equal in measure
Equilateral polygon
x
Complimentary
Square
48. 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
Congruent
Side square root
Trapezoid
Quadratic formula
49. If all points lie in the same plane they are __________
Slope
Equilateral
Coplanar
Mildline
50. The surface area of a cube is what formula
Commutative
Added
6a^2
Distance