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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 least common multiple is the smallest quantity divisible by ______ number of the set
Length number
Every
Transitive
Point line
2. What is the formula for the area of a triangle
Equiangular
Median
Equiangular polygon
1/2bh
3. What type of trapezoid has its non parallel sides equal
(4ac - b^2)/4a
Isosceles
Index
0
4. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Obtuse angle
Supplementary
Factor
Roots
5. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Supplementary
n
4/3 pi r^3
A+b
6. What are the 2 formulas to calculate the circumference of a circle
Isosceles
Pi(d) 2(pi)r
Lw
Parallel
7. The set of all points on a half line and the dividing point itself
1/3Bh
Regular polygon
Ray
Isosceles
8. Two lines are said to be ______________ if they intersect and form right angles
2pi r^2 + 2pi rh
Ellipse
Perpendicular
Straight
9. What is the volume of a cone
Ray
Transitive
S^2
1/3 pi r^2 h
10. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots
0
Equal
Apothem
2
11. A triangle whose sides are equal
Length number
0
Subtract substitute
Equilateral
12. Three or more points are said to be ___________if an only if they lie on the same line
Complex
Collinear
6a^2
N!/ (n - r)!
13. The segment from the center of the polygon perpendicular to as side of the polygon
Side square root
Downward
Right angle
Apothem
14. 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)
Rhomus
Quadratic formula
A(bc)
Addition subtration
15. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
1/2h (b1 + b2)
Rhomus
Angle
Median
16. For each real number a - for each real number b - if a= b - then b=a
Symmetric
Apothem
Linear substitute
Factoral
17. To calculate a permutation (order does not matter) what is the formula
Ax+ by = c
Circumscribed circle
N!/ (n - r)!
Transitive
18. What is the linear equation where a - b and c are constants b cannot = 0
Complimentary
Ax+ by = c
Extranous excluded
Radius
19. A triangle with three acute angles (less than 90 degrees)
0
4pi r^2
Acute
Apothem
20. The square of both a positive number and a negative real number is _____________
Congruence
((n -2) (180))/n
Positive
0
21. 1/a^n can also be written as a to the ______
n
Acute
1
Ab
22. The absolue value of the difference of the coordinates of any two points on the real number line
Distance
Ax+ by = c
Bh
(n/360) X 2pi r
23. When you find the inverse of a function switch the x value with a ____ - solve for y
Parabola parallel line
Y
Commutative
Acute
24. Is a polygon that is both equilateral and equangular
Regular polygon
1
Altitude
Negative
25. Two angles whose sum totals 180 degrees
Addition subtration
Right
Supplementary
Complimentary
26. A parallelogram with right angles and equal diagonals
Ellipse
Reflex
Parallel
Rectangle
27. An angle whose measure is 180 degrees
Bisector
1/2bh
Ax+ by = c
Straight
28. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
I
x over 100
Downward
Exterior angle
29. Every real number is a ______________
Complex
Acute
((n -2) (180))/n
Parabola parallel line
30. In the law of proportion if a/b = c/d then (a+b)/ b =
(pi)r ^2
Length number
(c+d)/d
Dependent
31. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)
Adjacent
Associative
Angle
Ratio
32. Is a polygon whose angles are equal in measurement
Equiangular polygon
Reflex
Trapezoid
Hyperbola
33. In the law of proportion if a/b = c/d then b/a =
1/2bh
D/c
Pi(d) 2(pi)r
Central angle
34. 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
Transitive
Bc
Mildline
Scalene
35. A portion of a circle is called an ________ of the circle
2pi r^2 + 2pi rh
Linear substitute
Arc
Complex
36. What is the formula the formula for an arc if you know the radius and the n= central angle
Scalene
Point line
(n/360) X 2pi r
x
37. ___________is a quadrilateral whose opposite sides are parallel
Subtract substitute
N!/ (n - r)!
Parallelogram
Isosceles
38. A triangle with one obtuse angle (angle greater than 90 degrees) is
b/2a
Acute
Obtuse
Isosceles
39. The volume of a cube is
Ratio
Apothem
A^3
Plane
40. A line that joins the midpoint of two sides of a triangle is called the__________
A(bc)
Ray
Mildline
(c+d)/d
41. In a function the x value is the ___________variable
Circle
Inverse
Dependent
Angle
42. A triangle whose angles all equal 60 degrees
(pi)r ^2
((n -2) (180))/n
Equiangular
Hyotenuse
43. Is a polygon whose sides are equal in measure
Inverse
Adjacent
0
Equilateral polygon
44. 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
Subtract substitute
Secant
Altitude
A x b x c
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
Triangle
Linear substitute
2pi r^2 + 2pi rh
Median
46. An angle whose measure is 90 degrees
Right angle
Ab
Hyperbola
4pi r^2
47. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
N!/ (n - r)!
I
Multiply
Complex
48. The greatest common factor is the largest __________that is common to all member of the set
Equilateral polygon
Subtract substitute
Y
Factor
49. The graph of y= ax^2 + bx + c is a curve know as a ____________
2
Reflexive
Triangle
Parabola
50. What is the surface area of a right circular cylinder with a radius of r and a height of h
Quadratic formula
2pi r^2 + 2pi rh
Perpendicular
Exterior angle