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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 ____________
Multiply
Bh
(c - d)/d
Straight line
2. 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
1
Addition subtration
Index
Chord
3. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Congruence
Factor
Bh
Area of a polygon
4. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Acute
Reflexive
((n -2) (180))/n
Rectangle
5. The x value of the vertex of a parabola is the equation
x over 100
Line
b/2a
A^3
6. What is the formula to calculate the area of a rectangle
x
Acute
Lw
Reflex
7. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
Complex
Acute
b/2a
8. The value of y where a point intersects the x axis = __________
Right angle
0
Ratio
4pi r^2
9. What is the area of a pyramid or cone (hint B= area of Base)
I
Trapezoid
Associative
1/3Bh
10. What is the formula for a square if you only know the length of the diaganol
Parallel
Commutative
Inverse
1/2 (d)^2
11. The square of a real number cannot be ___________
Addition subtration
Radius
1
Negative
12. 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)
0
Exponent
Associative
Vertices
13. What is the formula for a combination (where order matters)
Vertical
Equal
N!/(r!(n - r)!)
6a^2
14. In the law of proportion if a/b = c/d then (a+b)/ b =
(c+d)/d
Size
Point slope formula
Extranous excluded
15. 1/a^n can also be written as a to the ______
n
Hyperbola
0
Complex
16. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Point circle does not exist
Factor
Side square root
Ratio
17. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Consecutive angles
Distance
Congruence
1
18. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Radius
Apothem
A+b
Lw
19. Log base b to the b = ____________
1
Complimentary
b/2a
Trapezoid
20. A line that joins the midpoint of two sides of a triangle is called the__________
Acute
Slope
Transitive
Mildline
21. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Multiply
Addition subtration
Symmetric
Exterior angle
22. The volume of a cube is
A^3
Exponent
(c - d)/d
Supplementary
23. 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
Bc
Quadratic formula
N!/(r!(n - r)!)
Complex
24. A triangle with having at least 2 equal sides
N!/ (n - r)!
x
Isosceles
Associative
25. A line that intersects a circle in tow point is called the _______
Secant
Scalene
((n -2) (180))/n
Isosceles
26. A __________is any process that assigns a ___________value of y to each number of x
Consecutive angles
(c - d)/d
180
Function single
27. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Reflexive
Rhomus
Radius
Consecutive angles
28. Two lines are said to be ______________ if they intersect and form right angles
Ratio
Congruent
Side square root
Perpendicular
29. Two angles whose sum totals 90 degrees
1
4/3 pi r^3
Line
Complimentary
30. In complex numbers the square root of -1 = ______
Every
A^3
I
Obtuse
31. An angle whose measure is greater than 180 degrees and less than 360 degrees
Distributive
Index
Angle
Reflex
32. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Circumscribed circle
Distributive
G value
Complex
33. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Distance between 2 points
Obtuse angle
Vertical
A+b
34. The least common multiple is the smallest quantity divisible by ______ number of the set
Bc
Factoral
Regular polygon
Every
35. The set of all points on a half line and the dividing point itself
Ray
(c - d)/d
Length number
Quadratic formula
36. Every real number is a ______________
Ellipse
Complex
(c - d)/d
Ab
37. A point has no ________or thickness
Angle
Size
Distributive
2pi r^2 + 2pi rh
38. What is the formula for the area of a rhomus - (hint d= diagonal)
Triangle
Rectangle
Isosceles
1/2 (d1 + d2)
39. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Side square root
A^3
Ratio
0
40. The value of x where a point intersects the Y axis= ___________
0
Plane
1/2bh
Isosceles
41. 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
Exterior angle
1/2bh
Subtract substitute
Point line
42. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Parallel
1/3 pi r^2 h
Bh
2
43. ___________is a quadrilateral whose opposite sides are parallel
Parallelogram
Reflex
1/2 (d1 + d2)
Hypotenuse
44. 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
Equal
Secant
Complex
Equilateral
45. Positions = number of position can be calculated by finding the ______ of the total number of items
Factoral
Every
Equal
Bh
46. What is 4 to the power of 1/2 or 4^1/2
Pi r^2 h
A(bc)
2
Associative
47. What is the formula the formula for an arc if you know the radius and the n= central angle
n
(n/360) X 2pi r
G value
Complex
48. An angle whose measure is 180 degrees
Right angle
Parallelogram
Length number
Straight
49. Log base b to the b^x =
Parabola
Hypotenuse
x
0
50. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Roots
Consecutive angles
Linear substitute
Ray