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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. How do you calculate the area of a parallelogram - what is the formula
Function single
Central angle
Bh
x over 100
2. The set of all points on a half line and the dividing point itself
Length number
Area of a polygon
Ray
4/3 pi r^3
3. Two angles whose sum totals 90 degrees
Plane
Symmetric
Complimentary
A^3
4. In complex numbers the square root of -1 = ______
Addition subtration
Vertical
I
Trapezoid
5. That points of intersection on a triangle are called its _____________
Vertices
(4ac - b^2)/4a
N!/(r!(n - r)!)
Parallelogram
6. A triangle whose sides are equal
b/2a
Distance
Point slope formula
Equilateral
7. What is the surface area of a right circular cylinder with a radius of r and a height of h
2pi r^2 + 2pi rh
I
Radius
Perpendicular
8. For each real number a - for each real number b - if a= b - then b=a
Symmetric
((n -2) (180))/n
A+b
Altitude
9. The square of a real number cannot be ___________
Negative
Added
Function single
Obtuse
10. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Exponent
x over 100
Square
Roots
11. A line that divides a line segment into two congruent segments
Parallelogram
Associative
Bisector
Vertices
12. If all points lie in the same plane they are __________
Coplanar
D/c
Every
1
13. The greatest common factor is the largest __________that is common to all member of the set
Factor
Transitive
Exterior angle
Reflex
14. A portion of a circle is called an ________ of the circle
Trapezoid
Arc
Vertical
Coplanar
15. The surface area of a cube is what formula
6a^2
Transitive
Collinear
Rectangle
16. A __________________ is a circle passing through all the vertices of a polygon
Point slope formula
Every
Reflexive
Circumscribed circle
17. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Bc
Square
Area of a polygon
Hyotenuse
18. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
2
Added
Ax+ by = c
Angle
19. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Radius
1/2h (b1 + b2)
Ab
Pi(d) 2(pi)r
20. A point has no ________or thickness
Regular polygon
Size
Obtuse
Dependent
21. A triangle with a 90 degrees angle
6a^2
D/c
Parallel
Right
22. A set of points in the seame plane equidistant from a fixed point - called its center
Factor
Parabola parallel line
Perpendicular
Circle
23. 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
Function single
Point slope formula
Linear substitute
6a^2
24. An angle whose measure is 180 degrees
Apothem
Obtuse
Straight
Hypotenuse
25. The graph of y= ax^2 + bx + c is a curve know as a ____________
1
Factor
4/3 pi r^3
Parabola
26. What is the volume of a sphere with a radius r
Distance between 2 points
0
4/3 pi r^3
4pi r^2
27. 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)
Line
Collinear
Hyperbola
Complex
28. The sum of the interior angles of a triangle = ___________
Index
180
Lw
Hypotenuse
29. The square of 0 is _____
0
Altitude
Linear substitute
Plane
30. 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
1/2 (d)^2
Exponent
Reflex
A x b x c
31. 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)
I
1
Regular polygon
Point circle does not exist
32. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
1
Ax+ by = c
((n -2) (180))/n
Distributive
33. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
Inverse
Radius
2pi r^2 + 2pi rh
34. If a triangle has two congruent sides then it is an _________triangle
A(bc)
Isosceles
x over 100
2pi r^2 + 2pi rh
35. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
S^2
Consecutive angles
1/2 (d1 + d2)
Lw
36. What is the formula for the area of a rhomus - (hint d= diagonal)
1
N!/ (n - r)!
1/2 (d1 + d2)
Radius
37. The ____________ says y - y1= m(x-x1)
x over 100
Point slope formula
Subtract substitute
Isosceles
38. What is the formula for the area of a circle
1/2h (b1 + b2)
Parallelogram
(pi)r ^2
Index
39. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
(c - d)/d
Point line
1/2bh
Exterior angle
40. A triangle with no equal sides
Trapezoid
Scalene
(n/360) X 2pi r
Regular polygon
41. Two lines are said to be ______________ if they intersect and form right angles
Altitude
0
Perpendicular
Straight line
42. A parallelogram with right angles and equal diagonals
Pi r^2 h
Bisect
Parallel
Rectangle
43. 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
Index
Rhomus
Dependent
44. What is the linear equation where a - b and c are constants b cannot = 0
Triangle
Ax+ by = c
Pi r^2 h
Vertical
45. What is the formula for a combination (where order matters)
N!/(r!(n - r)!)
1/3Bh
Area of a polygon
S^2
46. What type of trapezoid has its non parallel sides equal
Obtuse
Isosceles
Multiply
n
47. A _________ number is a number that can be written in the form of a + bi
Straight line
Chord
Polygon
Complex
48. A ___________is a figure with the same number of sides as angles
Polygon
Isosceles
Acute
Rhomus
49. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Arc
1
Side square root
Obtuse angle
50. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Supplementary
2
A(bc)
Distance