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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. A triangle whose sides are equal
Equilateral
A^3
(pi)r ^2
n
2. 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
A^3
Factor
Subtract substitute
Isosceles
3. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
N!/(r!(n - r)!)
Complex
Isosceles
Vertical
4. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Roots
Equal
Collinear
1
5. How do you calculate the area of a parallelogram - what is the formula
Reflexive
Bh
Central angle
Transitive
6. y2- y1 divided by x2- x1 = the ____________
Arc
Slope
0
(pi)r ^2
7. A triangle whose angles all equal 60 degrees
Equiangular
Exterior angle
Hypotenuse
A(bc)
8. i^2 = _____________
Supplementary
180
1
Symmetric
9. Is a polygon whose sides are equal in measure
Isosceles
b/2a
1/2 (d)^2
Equilateral polygon
10. 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)
Apothem
Function single
Factor
Associative
11. In the law of proportion if a/b = c/d then (a - b)/b =
Parallelogram
Vertical
N!/(r!(n - r)!)
(c - d)/d
12. A ray _________ divides the angle into 2 angles that have equal measure
2
Bisect
Added
Factoral
13. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Congruence
Rectangle
4pi r^2
Straight
14. 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)
b/2a
Addition subtration
0
Ray
15. What is the formula to calculate the area of a rectangle
Line
1/3Bh
Lw
Rhomus
16. A triangle with a 90 degrees angle
Area of a polygon
One
(n/360) X 2pi r
Right
17. What is a quadrilateral with 2 and only 2 sides parallel
1/2bh
Parabola
Trapezoid
Central angle
18. Positions = number of position can be calculated by finding the ______ of the total number of items
Vertical
Exponent
Factoral
Complex
19. The surface area of a cube is what formula
Equiangular
Circumscribed circle
6a^2
Vertical
20. 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
Secant
Commutative
Polygon
21. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
6a^2
I
S^2
22. Two angles whose sum totals 180 degrees
Point line
Equiangular
Radius
Supplementary
23. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Line
Ab
N!/ (n - r)!
Area of a polygon
24. A line segment joining two poing on a circle is called a ________
N!/(r!(n - r)!)
Chord
Complimentary
Factor
25. What is the formula for the area of a circle
(pi)r ^2
Parallelogram
Complex
One
26. Log base b to the b = ____________
1
Commutative
A^3
Congruent
27. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Downward
A x b x c
Radius
4pi r^2
28. For each real number a - for each real number b - if a= b - then b=a
Exponent
Congruence
Straight line
Symmetric
29. The sum of the interior angles of a triangle = ___________
Area of a polygon
180
Roots
Consecutive angles
30. Log base b to the b^x =
Angle
1/2 (d1 + d2)
0
x
31. What is the area of a pyramid or cone (hint B= area of Base)
G value
Downward
Consecutive angles
1/3Bh
32. 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 ___________
0
Hypotenuse
Rectangle
Extranous excluded
33. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Bc
Reflexive
Collinear
Length number
34. A collection of points lying on a flat surface that extend indefinitely in any direction
Rectangle
Plane
G value
Complex
35. The set of all points on a half line and the dividing point itself
1
Right
Ray
Addition subtration
36. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Triangle
Parabola parallel line
Side square root
Inverse
37. An angle whose measure is larger than 90 degrees but less than 180 degrees
Obtuse angle
0
(pi)r ^2
4pi r^2
38. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Ab
Point circle does not exist
x over 100
Regular polygon
39. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
D/c
Positive
Acute
Altitude
40. 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
Side square root
Straight line
Arc
Equal
41. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Ellipse
Ratio
1/2 (d)^2
Slope
42. What is 4 to the power of 1/2 or 4^1/2
Factoral
Bh
Linear substitute
2
43. In the law of proportion if a/b = c/d then b/a =
Median
2pi r^2 + 2pi rh
Ellipse
D/c
44. A triangle with three acute angles (less than 90 degrees)
Acute
Subtract substitute
1/2bh
Right
45. What is the formula the formula for an arc if you know the radius and the n= central angle
(n/360) X 2pi r
Y
4pi r^2
Distance between 2 points
46. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Extranous excluded
Function single
Apothem
Acute
47. Is a polygon that is both equilateral and equangular
Extranous excluded
Pi(d) 2(pi)r
Supplementary
Regular polygon
48. 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
Right angle
Positive
1
Supplementary
49. If all points lie in the same plane they are __________
Point slope formula
1/3 pi r^2 h
Coplanar
Angle
50. What is the formula for the area of a rhomus - (hint d= diagonal)
Right
1/2 (d1 + d2)
Exponent
A^3
Can you answer 50 questions in 15 minutes?
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