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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. What is the surface area of a right circular cylinder with a radius of r and a height of h
Negative
Complex
2pi r^2 + 2pi rh
n
2. In the law of proportion if a/b = c/d then b/a =
0
Polygon
Obtuse
D/c
3. How do you calculate the area of a parallelogram - what is the formula
Straight line
Bh
Index
Symmetric
4. 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
Negative
Equal
1
(n/360) X 2pi r
5. 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
Circle
Size
Trapezoid
Transitive
6. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
Exponent
Dependent
Right
7. A triangle whose angles all equal 60 degrees
(n/360) X 2pi r
1/2h (b1 + b2)
Length number
Equiangular
8. Is a polygon whose angles are equal in measurement
Equiangular polygon
Adjacent
Lw
4/3 pi r^3
9. What is the formula for the area of a rhomus - (hint d= diagonal)
1/2 (d1 + d2)
Ax+ by = c
Altitude
Triangle
10. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Distributive
Hyperbola
1/2 (d1 + d2)
Mildline
11. What is the surface area of a sphere with a radius r
Plane
4pi r^2
Function single
1
12. Three or more points are said to be ___________if an only if they lie on the same line
Chord
Collinear
Transitive
Obtuse angle
13. What is 4 to the power of 1/2 or 4^1/2
Bisector
Hyperbola
Complex
2
14. To calculate a permutation (order does not matter) what is the formula
Function single
1/2 (d)^2
2
N!/ (n - r)!
15. 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
Hyperbola
Equilateral polygon
Subtract substitute
Reflexive
16. The square of a real number cannot be ___________
Trapezoid
Radius
Triangle
Negative
17. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
4pi r^2
Supplementary
Downward
Symmetric
18. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
Ratio
Vertices
Ray
19. ___________is a quadrilateral whose opposite sides are parallel
Coplanar
Trapezoid
180
Parallelogram
20. A parallelogram with right angles and equal diagonals
Line
Rectangle
1
Adjacent
21. A triangle whose sides are equal
Equilateral
Hyperbola
Y
0
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)
Congruent
Length number
Ellipse
Obtuse angle
23. An angle whose measure is 180 degrees
Secant
Y
Straight
Factor
24. A _________ number is a number that can be written in the form of a + bi
(n/360) X 2pi r
(4ac - b^2)/4a
One
Complex
25. The set of all points on a half line and the dividing point itself
Ray
0
1/3Bh
Straight line
26. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse
0
Isosceles
Polygon
27. If a triangle has two congruent sides then it is an _________triangle
Isosceles
Addition subtration
Slope
1/3 pi r^2 h
28. A triangle with three acute angles (less than 90 degrees)
Distance between 2 points
Acute
Quadratic formula
Central angle
29. The least common multiple is the smallest quantity divisible by ______ number of the set
S^2
4pi r^2
Every
Central angle
30. In a function the x value is the ___________variable
Right
Dependent
Distance
Secant
31. Log base b to the b = ____________
Symmetric
Congruent
1
Coplanar
32. 1/a^n can also be written as a to the ______
n
Vertices
Y
N!/(r!(n - r)!)
33. A __________is any process that assigns a ___________value of y to each number of x
(pi)r ^2
Function single
1/3Bh
Quadratic formula
34. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Lw
Area of a polygon
Apothem
x
35. i^2 = _____________
1
Commutative
1/3Bh
Negative
36. A series adjacent points that connect
Line
Function single
4pi r^2
0
37. 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
4pi r^2
A^3
1/2bh
38. y2- y1 divided by x2- x1 = the ____________
Line
Equiangular polygon
Slope
Parabola
39. The side of a right triangle opposite the right angle
6a^2
Equilateral
Roots
Hypotenuse
40. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
1
Radius
1/3Bh
Ab
41. An angle whose measure is 90 degrees
Right angle
(pi)r ^2
Adjacent
A+b
42. A line that divides a line segment into two congruent segments
Downward
1/2bh
Bh
Bisector
43. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Extranous excluded
Scalene
Radius
Ratio
44. An angle whose measure is greater than 180 degrees and less than 360 degrees
Reflex
4pi r^2
Symmetric
Hyperbola
45. A __________________ is a circle passing through all the vertices of a polygon
I
Ab
Circumscribed circle
Trapezoid
46. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Isosceles
Index
Radius
Complex
47. When you see f of g replace the x in f(x) with the ___________
Multiply
G value
Exterior angle
Hyotenuse
48. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Roots
Straight line
Plane
A x b x c
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 __________ (b^2-4ac greater then 0)
2
Secant
Hyperbola
Distance
50. A line segment joining two poing on a circle is called a ________
Chord
2
Scalene
Square