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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. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
A+b
Adjacent
Collinear
Congruence
2. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem
Associative
I
Quadratic formula
180
3. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
N!/ (n - r)!
Ab
1
Chord
4. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
x
Radius
Secant
5. Two angles with a common vertex and a common side but no common interior points
Factoral
Adjacent
A(bc)
Dependent
6. An angle whose measure is 180 degrees
Distributive
Straight
A+b
Dependent
7. The least common multiple is the smallest quantity divisible by ______ number of the set
Adjacent
Hyotenuse
Every
4/3 pi r^3
8. The ____________ says y - y1= m(x-x1)
Point slope formula
Parallel
Radius
Regular polygon
9. In order to decimal to a percentage you need to ______ by 100
Arc
Linear substitute
Ax+ by = c
Multiply
10. A __________________ is a circle passing through all the vertices of a polygon
Polygon
Circumscribed circle
Hyotenuse
Complex
11. Two angles whose sum totals 180 degrees
Area of a polygon
4pi r^2
Supplementary
Slope
12. A triangle whose sides are equal
Equilateral
One
1/2h (b1 + b2)
Straight
13. What is the surface area of a sphere with a radius r
Y
4pi r^2
Reflex
Consecutive angles
14. Log base b to the b^x =
x
1
Median
Central angle
15. The value of x where a point intersects the Y axis= ___________
Right
0
Complimentary
Congruent
16. 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)
Central angle
Hyperbola
Circle
Radius
17. In the law of proportion if a/b = c/d then (a+b)/ b =
1/3Bh
(c+d)/d
4pi r^2
Mildline
18. 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
N!/ (n - r)!
Isosceles
1
Linear substitute
19. In a function the x value is the ___________variable
Scalene
(4ac - b^2)/4a
Dependent
0
20. 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)
Regular polygon
Addition subtration
Downward
Distance between 2 points
21. A triangle with no equal sides
Vertices
0
Multiply
Scalene
22. A line that intersects a circle in tow point is called the _______
Radius
x
Secant
n
23. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Straight line
Associative
Parabola
Point slope formula
24. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
A^3
Equiangular
1/2h (b1 + b2)
Median
25. The x value of the vertex of a parabola is the equation
Index
Bh
b/2a
Coplanar
26. A triangle with one obtuse angle (angle greater than 90 degrees) is
Pi r^2 h
4pi r^2
Obtuse
Altitude
27. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Trapezoid
G value
Length number
28. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Circumscribed circle
Commutative
Median
Straight
29. 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
Bc
x
1
Transitive
30. A rhomus with a right angle
Rectangle
D/c
Square
Straight line
31. The volume of a cube is
Extranous excluded
Commutative
A^3
Symmetric
32. For each real number a - for each real number b - if a= b - then b=a
Symmetric
Angle
Subtract substitute
A(bc)
33. What is the formula for a square if you only know the length of the diaganol
1/2 (d)^2
Distance
Size
Subtract substitute
34. What are the 2 formulas to calculate the circumference of a circle
Index
Pi(d) 2(pi)r
Circle
Pi r^2 h
35. If all points lie in the same plane they are __________
Parabola parallel line
Bc
Obtuse angle
Coplanar
36. Every real number is a ______________
1/2 (d1 + d2)
Radius
Distance between 2 points
Complex
37. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Side square root
Equal
Index
Factoral
38. A line that joins the midpoint of two sides of a triangle is called the__________
Area of a polygon
Pi r^2 h
(4ac - b^2)/4a
Mildline
39. A closed three sided figure is called a ____________
Triangle
Circumscribed circle
Congruence
Regular polygon
40. A _________ number is a number that can be written in the form of a + bi
(pi)r ^2
Complex
4pi r^2
Y
41. The _______ tells how many times the root needs to be multiplied by itself
N!/(r!(n - r)!)
Mildline
Index
Linear substitute
42. What is a quadrilateral with 2 and only 2 sides parallel
Parabola parallel line
Trapezoid
Regular polygon
N!/(r!(n - r)!)
43. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Distributive
Ax+ by = c
Supplementary
Median
44. The y value of the vertex of parabola is the equation
Linear substitute
Acute
(4ac - b^2)/4a
Adjacent
45. What is the linear equation where a - b and c are constants b cannot = 0
Multiply
One
Ax+ by = c
Equilateral polygon
46. Two distinct straight lines can intersect at most at only one point
Straight line
Equal
Isosceles
One
47. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Acute
I
Associative
1/3 pi r^2 h
48. A parallelogram with right angles and equal diagonals
Factor
Rectangle
Obtuse
A+b
49. A __________is any process that assigns a ___________value of y to each number of x
Area of a polygon
Function single
A+b
Equiangular polygon
50. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
Transitive
Equilateral
1/2 (d)^2