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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. To calculate a permutation (order does not matter) what is the formula
Equilateral polygon
N!/ (n - r)!
Altitude
N!/(r!(n - r)!)
2. A triangle whose sides are equal
Equilateral
(c - d)/d
Acute
A x b x c
3. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Index
Length number
1/2h (b1 + b2)
Point line
4. What is the square of ((x1-x2) + (y1- y2)) =
Associative
Acute
Distance between 2 points
Function single
5. 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
I
Apothem
Quadratic formula
Linear substitute
6. The value of y where a point intersects the x axis = __________
x over 100
0
Scalene
Factor
7. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Acute
Area of a polygon
Isosceles
Multiply
8. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Secant
0
Point line
Isosceles
9. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
S^2
Radius
(pi)r ^2
Ab
10. 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
1
2
Symmetric
Parabola parallel line
11. In complex numbers the square root of -1 = ______
I
1/3Bh
Factoral
Radius
12. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Exponent
Obtuse
Radius
I
13. An angle whose measure is greater than 180 degrees and less than 360 degrees
Reflex
Isosceles
Reflexive
Y
14. Every real number is a ______________
N!/ (n - r)!
N!/(r!(n - r)!)
Secant
Complex
15. 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
Parallel
Reflex
Equiangular
16. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
D/c
1/2bh
Altitude
17. Positions = number of position can be calculated by finding the ______ of the total number of items
(c+d)/d
Factoral
Median
Parallel
18. A triangle whose angles all equal 60 degrees
Acute
Ray
Equiangular
Polygon
19. A point has no ________or thickness
Size
A(bc)
Complimentary
4/3 pi r^3
20. The segment from the center of the polygon perpendicular to as side of the polygon
Added
Apothem
Equal
Polygon
21. Angles that are equal
1/2 (d1 + d2)
Distance between 2 points
Extranous excluded
Congruent
22. The measure of a minor arc is the measure of the __________that intercepts the arc
Mildline
Point line
Length number
Central angle
23. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse
(4ac - b^2)/4a
Side square root
x over 100
24. y2- y1 divided by x2- x1 = the ____________
Roots
Line
Slope
Hyperbola
25. A rhomus with a right angle
Downward
Lw
Acute
Square
26. A line that divides a line segment into two congruent segments
G value
0
Bisector
Parallelogram
27. In the law of proportion if a/b = c/d then ad =
0
A(bc)
Bc
1
28. Is a polygon whose sides are equal in measure
Pi(d) 2(pi)r
Reflexive
Equilateral polygon
A^3
29. Two lines are said to be ______________ if they intersect and form right angles
Congruence
Perpendicular
Bisector
Straight line
30. What is a quadrilateral with 2 and only 2 sides parallel
180
Trapezoid
6a^2
Parallel
31. If you want to convert a fraction to a percentage you need to make it =
Y
x over 100
Size
Parallel
32. The square of a real number cannot be ___________
Congruence
Transitive
b/2a
Negative
33. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Addition subtration
Length number
1
((n -2) (180))/n
34. A __________________ is a circle passing through all the vertices of a polygon
Inverse
Circumscribed circle
1/2bh
1/2 (d)^2
35. What is the formula for the area of a circle
0
Perpendicular
(pi)r ^2
Right
36. A triangle with three acute angles (less than 90 degrees)
Parallel
(pi)r ^2
Rhomus
Acute
37. In the law of proportion if a/b = c/d then b/a =
Bc
D/c
Reflex
Isosceles
38. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Negative
Consecutive angles
Vertical
Multiply
39. A parallelogram with right angles and equal diagonals
Hyotenuse
Equiangular polygon
Rectangle
Coplanar
40. Two angles whose sum totals 180 degrees
Congruence
Bh
b/2a
Supplementary
41. The _______ tells how many times the root needs to be multiplied by itself
Negative
0
Slope
Index
42. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Congruence
(n/360) X 2pi r
Collinear
Vertices
43. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Adjacent
Arc
Altitude
0
44. 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)
Radius
Point circle does not exist
(pi)r ^2
Triangle
45. A triangle with no equal sides
Scalene
Side square root
Trapezoid
(4ac - b^2)/4a
46. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Distance
Scalene
Straight line
Lw
47. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)
Associative
Dependent
1/3 pi r^2 h
(c - d)/d
48. The set of all points on a half line and the dividing point itself
Ratio
Ray
Negative
Obtuse angle
49. What property of equality says that a=a
Added
Reflexive
Consecutive angles
4/3 pi r^3
50. i^2 = _____________
Parallel
Associative
Consecutive angles
1