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Test your basic knowledge |
Praxis I Math
Start Test
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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 ____________
Reflex
Straight line
Point slope formula
(4ac - b^2)/4a
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
Acute
Point line
Complex
3. Three or more points are said to be ___________if an only if they lie on the same line
Collinear
x over 100
Side square root
Obtuse angle
4. Positions = number of position can be calculated by finding the ______ of the total number of items
Factoral
Slope
Complimentary
Bh
5. In a logarithm the answer following the = sign is the __________
Downward
Adjacent
Exponent
D/c
6. A point has no ________or thickness
Ellipse
Size
Lw
Altitude
7. The square of 0 is _____
Isosceles
Multiply
0
((n -2) (180))/n
8. What is the surface area of a right circular cylinder with a radius of r and a height of h
A^3
x
Radius
2pi r^2 + 2pi rh
9. Two angles whose sum totals 180 degrees
Secant
Supplementary
Congruent
Hypotenuse
10. 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
Point line
Symmetric
Hyperbola
11. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Hypotenuse
Consecutive angles
Length number
Supplementary
12. What is the volume of a sphere with a radius r
N!/ (n - r)!
Every
Distance
4/3 pi r^3
13. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Parabola parallel line
Hyperbola
Length number
Multiply
14. The side of a right triangle opposite the right angle
Hypotenuse
Factoral
Exterior angle
Rectangle
15. What is the area of a pyramid or cone (hint B= area of Base)
Acute
Acute
x
1/3Bh
16. 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
x over 100
Equal
Every
Distributive
17. For each real number a - for each real number b - if a= b - then b=a
Plane
Circle
Symmetric
Size
18. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Line
Distributive
Addition subtration
Pi r^2 h
19. A triangle with a 90 degrees angle
Complex
Right
Distance between 2 points
Equiangular polygon
20. To find the x intersept we need to make __________= 0
(pi)r ^2
Y
1/3Bh
Radius
21. What is the formula for the area of a rhomus - (hint d= diagonal)
1/2 (d1 + d2)
Ab
Central angle
Congruence
22. What is the formula for the area of a square
Distributive
Obtuse angle
Mildline
S^2
23. 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
0
A+b
Bh
24. What is the square of ((x1-x2) + (y1- y2)) =
Distance between 2 points
A+b
Central angle
Distance
25. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Y
Radius
A+b
Area of a polygon
26. To calculate a permutation (order does not matter) what is the formula
Polygon
0
Complex
N!/ (n - r)!
27. A triangle with three acute angles (less than 90 degrees)
Vertices
Radius
Acute
Lw
28. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Obtuse angle
Congruence
Reflexive
Addition subtration
29. The graph of y= ax^2 + bx + c is a curve know as a ____________
1/2 (d)^2
180
Reflex
Parabola
30. Log base b to the b = ____________
(pi)r ^2
x over 100
1
G value
31. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
A^3
Factor
Secant
Hyotenuse
32. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
(4ac - b^2)/4a
Length number
Isosceles
Obtuse angle
33. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
4/3 pi r^3
Exponent
Acute
34. ___________is a quadrilateral whose opposite sides are parallel
Circumscribed circle
2pi r^2 + 2pi rh
Parallelogram
Positive
35. A triangle with one obtuse angle (angle greater than 90 degrees) is
Parallel
Obtuse
Every
Point circle does not exist
36. A ___________is a figure with the same number of sides as angles
Hyotenuse
Complex
Polygon
Hypotenuse
37. A closed three sided figure is called a ____________
Factor
Regular polygon
Triangle
Coplanar
38. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Subtract substitute
Radius
Congruent
Perpendicular
39. What type of trapezoid has its non parallel sides equal
Positive
Distributive
Isosceles
Transitive
40. In complex numbers the square root of -1 = ______
I
Ray
(pi)r ^2
Multiply
41. The value of y where a point intersects the x axis = __________
0
Distance
(n/360) X 2pi r
180
42. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
1/2bh
A x b x c
1
Added
43. What is the formula for the area of a triangle
Equiangular polygon
Ratio
1/2bh
Isosceles
44. What is the surface area of a sphere with a radius r
Y
A^3
4pi r^2
Trapezoid
45. A triangle with having at least 2 equal sides
Associative
Side square root
Isosceles
Pi(d) 2(pi)r
46. What property of equality says that a=a
Subtract substitute
Complex
Reflexive
Distance between 2 points
47. Two angles whose sum totals 90 degrees
2pi r^2 + 2pi rh
Complimentary
Distributive
Vertical
48. 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 __________or a __________ or __________(b=0 and a=c)
Point circle does not exist
0
N!/(r!(n - r)!)
Isosceles
49. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Equilateral
Downward
Parabola
Reflexive
50. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Bisect
Roots
Associative
Circle
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