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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. In the law of proportion if a/b = c/d then (a+b)/ b =
4pi r^2
Roots
4/3 pi r^3
(c+d)/d
2. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Index
A x b x c
Straight
Distributive
3. Angles that are equal
Pi(d) 2(pi)r
1
Bisect
Congruent
4. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Equiangular polygon
Parallel
4pi r^2
Negative
5. Is a polygon that is both equilateral and equangular
4pi r^2
1/2 (d1 + d2)
Regular polygon
Equilateral
6. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Roots
6a^2
Subtract substitute
Consecutive angles
7. A triangle with a 90 degrees angle
Right
Side square root
1/3Bh
Bh
8. A triangle with three acute angles (less than 90 degrees)
Added
Ellipse
Acute
x
9. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
Scalene
Transitive
Positive
10. The side of a right triangle opposite the right angle
((n -2) (180))/n
(c - d)/d
Hypotenuse
Bh
11. A triangle with one obtuse angle (angle greater than 90 degrees) is
Distance
Inverse
Parabola
Obtuse
12. 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
Vertices
x over 100
Positive
13. In order to decimal to a percentage you need to ______ by 100
Vertical
Multiply
Negative
Bh
14. Is a polygon whose angles are equal in measurement
Multiply
Symmetric
Extranous excluded
Equiangular polygon
15. What is the volume of a sphere with a radius r
4/3 pi r^3
Bisector
Y
Pi(d) 2(pi)r
16. What is a quadrilateral with 2 and only 2 sides parallel
Equiangular
Trapezoid
n
Rectangle
17. How do you calculate the area of a parallelogram - what is the formula
Bh
Length number
1
1/3Bh
18. 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
Hypotenuse
Point line
Angle
19. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
1/2 (d)^2
Secant
Downward
G value
20. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Pi r^2 h
1
Bc
Y
21. The y value of the vertex of parabola is the equation
Angle
Consecutive angles
Factoral
(4ac - b^2)/4a
22. 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 __________ (if a - b and c are not zero)
Ellipse
Slope
Equal
A^3
23. What are the 2 formulas to calculate the circumference of a circle
0
N!/(r!(n - r)!)
Pi(d) 2(pi)r
2pi r^2 + 2pi rh
24. An angle whose measure is 90 degrees
Right angle
Positive
Right
1/2h (b1 + b2)
25. What is the formula for the area of a triangle
1
1/2bh
Pi r^2 h
Size
26. What is the linear equation where a - b and c are constants b cannot = 0
Ax+ by = c
Exponent
Right angle
Secant
27. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Bisect
One
Inverse
28. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist
Collinear
A+b
Parabola parallel line
1
29. What is the formula to calculate the area of a rectangle
Lw
Parabola
(c+d)/d
A^3
30. 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
Slope
Median
Linear substitute
Bc
31. A point has no ________or thickness
Size
Y
Equal
Associative
32. What is the formula for a square if you only know the length of the diaganol
Obtuse angle
2pi r^2 + 2pi rh
Point circle does not exist
1/2 (d)^2
33. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Parabola
Coplanar
Equilateral polygon
Straight line
34. Log base b to the b = ____________
Parallel
Area of a polygon
1
S^2
35. A __________is any process that assigns a ___________value of y to each number of x
Function single
Ray
Lw
((n -2) (180))/n
36. 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)
Added
2pi r^2 + 2pi rh
Hyperbola
Straight
37. In a function the x value is the ___________variable
Point slope formula
n
Dependent
Supplementary
38. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Inverse
One
Transitive
Hyotenuse
39. The least common multiple is the smallest quantity divisible by ______ number of the set
Chord
Every
Radius
A^3
40. In the law of proportion if a/b = c/d then (a - b)/b =
Ratio
Exterior angle
Extranous excluded
(c - d)/d
41. Two angles with a common vertex and a common side but no common interior points
Adjacent
Triangle
Straight line
(4ac - b^2)/4a
42. The value of y where a point intersects the x axis = __________
A^3
Median
Equiangular
0
43. The square of a real number cannot be ___________
(pi)r ^2
Isosceles
Negative
Congruence
44. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Straight line
Congruent
Vertical
Associative
45. A set of points in the seame plane equidistant from a fixed point - called its center
Vertices
Circle
Trapezoid
N!/ (n - r)!
46. What is the surface area of a right circular cylinder with a radius of r and a height of h
Polygon
2pi r^2 + 2pi rh
1/2bh
Parabola parallel line
47. A __________________ is a circle passing through all the vertices of a polygon
Perpendicular
Radius
Rhomus
Circumscribed circle
48. y2- y1 divided by x2- x1 = the ____________
Reflexive
Isosceles
Length number
Slope
49. 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)
Roots
Pi(d) 2(pi)r
Point circle does not exist
x
50. A triangle whose sides are equal
Parallel
Point line
1
Equilateral