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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. 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 ___________
Y
Roots
Extranous excluded
Apothem
2. 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
Ab
Altitude
A x b x c
Vertices
3. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Obtuse angle
Hyotenuse
2
Radius
4. What is the formula the formula for an arc if you know the radius and the n= central angle
Lw
(n/360) X 2pi r
Bh
Scalene
5. A triangle with three acute angles (less than 90 degrees)
Acute
Radius
Rhomus
Factor
6. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
1
Parallel
Coplanar
Symmetric
7. The _______ tells how many times the root needs to be multiplied by itself
Distance between 2 points
Index
Dependent
Slope
8. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Congruent
Trapezoid
Factoral
Area of a polygon
9. Is a polygon whose sides are equal in measure
2
Distributive
Equilateral polygon
Negative
10. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)
Addition subtration
1/3 pi r^2 h
Mildline
Hyotenuse
11. The measure of a minor arc is the measure of the __________that intercepts the arc
Complimentary
Associative
Central angle
Bh
12. When you see f of g replace the x in f(x) with the ___________
Ellipse
G value
Bisector
Ax+ by = c
13. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Straight
Hyotenuse
Distributive
1/2h (b1 + b2)
14. Two angles whose sum totals 180 degrees
Mildline
Equiangular polygon
Quadratic formula
Supplementary
15. The y value of the vertex of parabola is the equation
(4ac - b^2)/4a
Distance
Equilateral polygon
A^3
16. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Equilateral polygon
Factor
Isosceles
Commutative
17. Two lines are said to be ______________ if they intersect and form right angles
Linear substitute
Perpendicular
One
1
18. An angle whose measure is 180 degrees
Commutative
Hypotenuse
Straight
Consecutive angles
19. Angles that are equal
Acute
Congruent
1/3Bh
Obtuse angle
20. The ____________ says y - y1= m(x-x1)
Point slope formula
Bisect
Parabola
Every
21. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Isosceles
Ray
Isosceles
Pi r^2 h
22. A portion of a circle is called an ________ of the circle
Bc
Arc
D/c
Perpendicular
23. What type of trapezoid has its non parallel sides equal
Isosceles
Obtuse angle
Bisector
N!/(r!(n - r)!)
24. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c
Ax+ by = c
(pi)r ^2
Transitive
Ab
25. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Obtuse
Radius
Downward
x
26. In the law of proportion if a/b = c/d then ad =
Bc
Circumscribed circle
Point slope formula
Side square root
27. In a function the x value is the ___________variable
Angle
Equal
Dependent
Secant
28. What is the formula to calculate the area of a rectangle
Extranous excluded
Lw
Dependent
Function single
29. 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
Multiply
Downward
Reflexive
30. What is the surface area of a sphere with a radius r
A x b x c
0
Congruent
4pi r^2
31. If you want to convert a fraction to a percentage you need to make it =
x over 100
Point circle does not exist
Pi r^2 h
Chord
32. 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
1/2 (d)^2
Perpendicular
0
33. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
A^3
Inverse
Length number
1
34. Two distinct straight lines can intersect at most at only one point
One
Parabola parallel line
0
Every
35. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Vertical
Quadratic formula
Pi r^2 h
1
36. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse
Positive
Rectangle
6a^2
37. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Acute
Radius
(c - d)/d
6a^2
38. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Exterior angle
Distance
S^2
Median
39. A __________is any process that assigns a ___________value of y to each number of x
Factoral
6a^2
Function single
1
40. Is a polygon whose angles are equal in measurement
Congruent
4pi r^2
(4ac - b^2)/4a
Equiangular polygon
41. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
1/2h (b1 + b2)
Distance between 2 points
A(bc)
Complex
42. What property of equality says that a=a
Straight line
4pi r^2
Reflexive
Angle
43. The value of x where a point intersects the Y axis= ___________
1/3 pi r^2 h
0
Linear substitute
Downward
44. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
1/2 (d1 + d2)
A^3
Multiply
Angle
45. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
A(bc)
Point slope formula
Extranous excluded
Congruence
46. An angle whose measure is 90 degrees
Right angle
Acute
Y
Associative
47. What is the area of a pyramid or cone (hint B= area of Base)
1/3Bh
x
Dependent
Downward
48. A ray _________ divides the angle into 2 angles that have equal measure
S^2
1/2h (b1 + b2)
Bisect
6a^2
49. In a logarithm the answer following the = sign is the __________
Exponent
1/3Bh
1
Side square root
50. The square of a real number cannot be ___________
Isosceles
Commutative
Rectangle
Negative