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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 square of a real number cannot be ___________
Negative
Point slope formula
Obtuse angle
Added
2. A triangle whose angles all equal 60 degrees
1
Vertical
Equiangular
Acute
3. 1/a^n can also be written as a to the ______
Square
n
Dependent
1/2 (d1 + d2)
4. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Acute
Secant
Altitude
Factor
5. A rhomus with a right angle
N!/(r!(n - r)!)
Dependent
Rectangle
Square
6. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Ratio
Distributive
Bh
Ab
7. If you want to convert a fraction to a percentage you need to make it =
Bc
(4ac - b^2)/4a
Slope
x over 100
8. 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 polygon
G value
(c - d)/d
9. What is the formula for the area of a triangle
Obtuse angle
(4ac - b^2)/4a
Acute
1/2bh
10. The segment from the center of the polygon perpendicular to as side of the polygon
Polygon
1/3Bh
Apothem
Ax+ by = c
11. The set of all points on a half line and the dividing point itself
Ray
6a^2
Index
Circle
12. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Size
Consecutive angles
D/c
Complex
13. 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
Trapezoid
Ax+ by = c
Straight
A x b x c
14. In the law of proportion if a/b = c/d then b/a =
Size
D/c
Obtuse
Acute
15. In the law of proportion if a/b = c/d then ad =
1/2h (b1 + b2)
Vertical
Supplementary
Bc
16. An angle whose measure is 90 degrees
Line
6a^2
Right angle
Equilateral
17. Is a polygon that is both equilateral and equangular
Parallelogram
Regular polygon
Equilateral polygon
Ab
18. 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)
G value
Point line
Ray
Hyperbola
19. What property of equality says that a=a
Plane
Reflexive
Adjacent
Equiangular polygon
20. 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
Quadratic formula
Exponent
Regular polygon
Parallel
21. 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
Reflexive
6a^2
Ray
22. A __________is any process that assigns a ___________value of y to each number of x
Function single
Bc
D/c
Vertical
23. Two distinct straight lines can intersect at most at only one point
Acute
Rhomus
Circle
One
24. In complex numbers the square root of -1 = ______
N!/ (n - r)!
I
Dependent
Line
25. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Pi r^2 h
1
4/3 pi r^3
Commutative
26. In the law of proportion if a/b = c/d then (a+b)/ b =
Straight
(c+d)/d
Parabola
x over 100
27. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Central angle
Roots
((n -2) (180))/n
N!/(r!(n - r)!)
28. The value of y where a point intersects the x axis = __________
Point line
Rhomus
Equilateral
0
29. The measure of a minor arc is the measure of the __________that intercepts the arc
Central angle
Complimentary
Ratio
Factor
30. Positions = number of position can be calculated by finding the ______ of the total number of items
0
Y
Factoral
A x b x c
31. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Reflex
Straight line
1
Right angle
32. Two lines are said to be ______________ if they intersect and form right angles
Equal
Addition subtration
Hyperbola
Perpendicular
33. A parallelogram with right angles and equal diagonals
Exponent
Hyotenuse
Rectangle
0
34. Three or more points are said to be ___________if an only if they lie on the same line
Coplanar
x
Collinear
Bc
35. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Pi(d) 2(pi)r
Central angle
1
Median
36. A closed three sided figure is called a ____________
Triangle
Complex
Point slope formula
1/2h (b1 + b2)
37. In a logarithm the answer following the = sign is the __________
Triangle
Right
Subtract substitute
Exponent
38. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Size
1/2bh
Equilateral polygon
Length number
39. 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
Isosceles
Mildline
Function single
1
40. A point has no ________or thickness
Size
Index
Parallelogram
A x b x c
41. A triangle with one obtuse angle (angle greater than 90 degrees) is
Radius
Added
Obtuse
1/2 (d)^2
42. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Bc
Vertical
Distance
Rhomus
43. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
2pi r^2 + 2pi rh
Distributive
Apothem
Rhomus
44. What is the formula for a combination (where order matters)
180
Altitude
N!/(r!(n - r)!)
Complex
45. What is the formula for the area of a circle
Negative
2pi r^2 + 2pi rh
Median
(pi)r ^2
46. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Acute
Downward
Square
Bh
47. An angle whose measure is 180 degrees
Y
Bisector
Straight
Hyotenuse
48. Every real number is a ______________
Complex
A+b
Distance between 2 points
Slope
49. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Apothem
Polygon
Linear substitute
50. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
1/3 pi r^2 h
1/2 (d)^2
Acute
Distance