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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. 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
Equilateral
A x b x c
1/2 (d1 + d2)
x over 100
2. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
Circle
Rectangle
Size
3. A triangle with no equal sides
Scalene
Negative
Straight line
Multiply
4. A _________ number is a number that can be written in the form of a + bi
0
Complex
Right angle
Commutative
5. If all points lie in the same plane they are __________
0
G value
Coplanar
Radius
6. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Complex
Trapezoid
Isosceles
7. A parallelogram with right angles and equal diagonals
1/2h (b1 + b2)
Congruence
Rectangle
Distributive
8. A line that joins the midpoint of two sides of a triangle is called the__________
Mildline
x
Ax+ by = c
Square
9. An angle whose measure is 180 degrees
Negative
N!/ (n - r)!
Straight
Bh
10. The segment from the center of the polygon perpendicular to as side of the polygon
Congruence
Apothem
Congruent
0
11. 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)
Obtuse
Ellipse
Negative
Slope
12. What property of equality says that a=a
Obtuse angle
Every
Obtuse
Reflexive
13. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Symmetric
1
Function single
Roots
14. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Ratio
4pi r^2
Arc
Mildline
15. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Factor
Consecutive angles
1/3Bh
Linear substitute
16. When you find the inverse of a function switch the x value with a ____ - solve for y
Commutative
Y
Square
Multiply
17. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
1/2 (d)^2
Subtract substitute
Straight line
I
18. In complex numbers the square root of -1 = ______
Hypotenuse
I
Equilateral polygon
Multiply
19. In the law of proportion if a/b = c/d then b/a =
Rectangle
Obtuse
Distance between 2 points
D/c
20. A series adjacent points that connect
Perpendicular
Distributive
Vertices
Line
21. If a triangle has two congruent sides then it is an _________triangle
Supplementary
Isosceles
Symmetric
Y
22. A __________________ is a circle passing through all the vertices of a polygon
Circumscribed circle
Reflexive
Ellipse
S^2
23. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Secant
Hyotenuse
Ray
Extranous excluded
24. To find the x intersept we need to make __________= 0
Consecutive angles
Hyperbola
Y
Every
25. When you see f of g replace the x in f(x) with the ___________
x over 100
Equiangular polygon
G value
Acute
26. 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
Parabola parallel line
Complex
Dependent
Consecutive angles
27. The surface area of a cube is what formula
Equal
6a^2
Length number
(c+d)/d
28. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Lw
Complex
1
Congruence
29. A closed three sided figure is called a ____________
Roots
Triangle
Extranous excluded
Quadratic formula
30. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
A+b
Lw
Downward
Line
31. What is a quadrilateral with 2 and only 2 sides parallel
S^2
Factoral
Trapezoid
One
32. ___________is a quadrilateral whose opposite sides are parallel
Hypotenuse
Parallelogram
Pi r^2 h
Chord
33. What is the area of a pyramid or cone (hint B= area of Base)
Altitude
Acute
1/3Bh
Collinear
34. The least common multiple is the smallest quantity divisible by ______ number of the set
Obtuse angle
Angle
Every
Regular polygon
35. Positions = number of position can be calculated by finding the ______ of the total number of items
0
Straight
Factoral
Radius
36. 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)
Circumscribed circle
Scalene
Associative
Parallel
37. y2- y1 divided by x2- x1 = the ____________
Associative
Slope
Rectangle
Altitude
38. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
Function single
Positive
Factor
39. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
x
Negative
1/2 (d)^2
Exterior angle
40. A triangle whose angles all equal 60 degrees
Factor
Equiangular
0
Equal
41. 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
Isosceles
Transitive
Lw
Equal
42. In a function the x value is the ___________variable
Dependent
Equiangular polygon
Altitude
Y
43. In order to decimal to a percentage you need to ______ by 100
Parallelogram
Apothem
Multiply
I
44. Is a polygon whose sides are equal in measure
0
Apothem
Y
Equilateral polygon
45. What is the formula the formula for an arc if you know the radius and the n= central angle
Multiply
(n/360) X 2pi r
Congruence
Angle
46. 1/a^n can also be written as a to the ______
n
(c - d)/d
Consecutive angles
Apothem
47. A rhomus with a right angle
A x b x c
Square
Central angle
Pi(d) 2(pi)r
48. The _______ tells how many times the root needs to be multiplied by itself
Factor
Associative
Ray
Index
49. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Lw
Apothem
Ab
Secant
50. For each real number a - for each real number b - if a= b - then b=a
Square
Symmetric
Straight
Point slope formula