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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. 1/a^n can also be written as a to the ______
Acute
(n/360) X 2pi r
n
Length number
2. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Multiply
Complex
Associative
Right angle
3. What is the formula the formula for an arc if you know the radius and the n= central angle
Pi r^2 h
Square
(n/360) X 2pi r
Acute
4. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Vertical
Chord
Isosceles
Central angle
5. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Area of a polygon
Index
(c+d)/d
Added
6. A _________ number is a number that can be written in the form of a + bi
Positive
Subtract substitute
2
Complex
7. How do you calculate the area of a parallelogram - what is the formula
Angle
Complex
G value
Bh
8. What is the linear equation where a - b and c are constants b cannot = 0
Ax+ by = c
Circumscribed circle
0
(c - d)/d
9. What type of trapezoid has its non parallel sides equal
Complex
Pi(d) 2(pi)r
Radius
Isosceles
10. A __________________ is a circle passing through all the vertices of a polygon
Circumscribed circle
2pi r^2 + 2pi rh
Downward
Chord
11. 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
Isosceles
N!/(r!(n - r)!)
Transitive
Altitude
12. For each real number a - for each real number b - if a= b - then b=a
Symmetric
1/2bh
1
Bc
13. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Vertical
Median
Multiply
Roots
14. 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
Consecutive angles
A+b
Bisector
Linear substitute
15. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
6a^2
Straight
Side square root
A+b
16. In a function the x value is the ___________variable
Dependent
Slope
Apothem
Trapezoid
17. The value of y where a point intersects the x axis = __________
Factor
0
Median
A+b
18. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Lw
1/3Bh
Parabola
Congruence
19. A triangle with three acute angles (less than 90 degrees)
A x b x c
0
Acute
0
20. 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
Adjacent
Congruent
180
21. If you want to convert a fraction to a percentage you need to make it =
A x b x c
Hyotenuse
x over 100
0
22. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Associative
((n -2) (180))/n
Complimentary
6a^2
23. 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 ___________
Extranous excluded
Equiangular
D/c
Pi r^2 h
24. Two angles whose sum totals 90 degrees
1
Complimentary
Dependent
Multiply
25. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Straight line
Adjacent
Consecutive angles
Factoral
26. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
x over 100
I
Distributive
x
27. 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
Parallelogram
Quadratic formula
Distributive
Ray
28. What is the square of ((x1-x2) + (y1- y2)) =
Distance between 2 points
Radius
Central angle
Acute
29. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Isosceles
Radius
Point slope formula
Every
30. The union of two rays having the same end point
Angle
Supplementary
Symmetric
(c - d)/d
31. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
4/3 pi r^3
Acute
Supplementary
Roots
32. The volume of a cube is
D/c
A^3
Equiangular polygon
Ray
33. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Ab
Triangle
((n -2) (180))/n
Lw
34. 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
Hyperbola
Vertices
1/2bh
35. When you find the inverse of a function switch the x value with a ____ - solve for y
Y
G value
Area of a polygon
Trapezoid
36. A ray _________ divides the angle into 2 angles that have equal measure
Complimentary
Inverse
Bisect
Quadratic formula
37. The graph of y= ax^2 + bx + c is a curve know as a ____________
Isosceles
Parabola
b/2a
Straight line
38. The y value of the vertex of parabola is the equation
Apothem
Quadratic formula
0
(4ac - b^2)/4a
39. Angles that are equal
Congruent
Secant
Circumscribed circle
Distance
40. 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)
Roots
Bc
Addition subtration
Exponent
41. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
A(bc)
D/c
Exterior angle
I
42. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
Distance
Parabola
Parallelogram
43. A set of points in the seame plane equidistant from a fixed point - called its center
Circle
Pi r^2 h
Hypotenuse
Complex
44. A __________is any process that assigns a ___________value of y to each number of x
Obtuse angle
Y
Function single
1/2 (d1 + d2)
45. In the law of proportion if a/b = c/d then b/a =
S^2
Y
Coplanar
D/c
46. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Apothem
Side square root
Radius
Bisector
47. 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
Parabola
Arc
Equal
Congruent
48. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Side square root
0
Hypotenuse
A x b x c
49. In the law of proportion if a/b = c/d then ad =
b/2a
I
Bc
Congruence
50. Two angles whose sum totals 180 degrees
x
Supplementary
Parallelogram
Mildline