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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. In the law of proportion if a/b = c/d then (a - b)/b =
Factor
(c - d)/d
Addition subtration
Quadratic formula
2. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Bc
Congruence
Circle
x over 100
3. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Bisect
Hyotenuse
Ellipse
Exterior angle
4. A series adjacent points that connect
Adjacent
Line
Bisect
Radius
5. Two angles whose sum totals 90 degrees
Distance
Positive
A+b
Complimentary
6. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse
Isosceles
Distance
Congruent
7. Two angles with a common vertex and a common side but no common interior points
Adjacent
Added
Median
Complex
8. What is the formula for a square if you only know the length of the diaganol
1/3 pi r^2 h
Ellipse
Central angle
1/2 (d)^2
9. The segment from the center of the polygon perpendicular to as side of the polygon
Adjacent
(4ac - b^2)/4a
Supplementary
Apothem
10. A rhomus with a right angle
x over 100
Symmetric
Square
1/2 (d)^2
11. 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
b/2a
Equal
Altitude
Consecutive angles
12. In the law of proportion if a/b = c/d then (a+b)/ b =
A+b
Consecutive angles
Equilateral polygon
(c+d)/d
13. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Reflexive
Addition subtration
Distributive
((n -2) (180))/n
14. A triangle with three acute angles (less than 90 degrees)
n
Acute
Hyperbola
Central angle
15. 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
Quadratic formula
Rhomus
Circle
Consecutive angles
16. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Mildline
Acute
Index
Complimentary
17. 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
0
Function single
A x b x c
18. Every real number is a ______________
Straight line
Complex
Triangle
One
19. A line that joins the midpoint of two sides of a triangle is called the__________
Size
4/3 pi r^3
Distance between 2 points
Mildline
20. Is a polygon whose angles are equal in measurement
Equiangular polygon
Parabola
Vertices
Y
21. Is a polygon whose sides are equal in measure
1/3Bh
Equilateral polygon
Vertices
Factor
22. In complex numbers the square root of -1 = ______
Every
Plane
I
Consecutive angles
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
Apothem
((n -2) (180))/n
Linear substitute
Radius
24. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
1/2h (b1 + b2)
Vertical
Right
Equal
25. A portion of a circle is called an ________ of the circle
Factor
Line
Arc
Side square root
26. What is the surface area of a right circular cylinder with a radius of r and a height of h
Equilateral polygon
1/2h (b1 + b2)
2pi r^2 + 2pi rh
Equal
27. A triangle whose angles all equal 60 degrees
Equiangular
Congruence
Adjacent
Equal
28. To find the x intersept we need to make __________= 0
Apothem
Multiply
x over 100
Y
29. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Radius
Addition subtration
A(bc)
1/3 pi r^2 h
30. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
Transitive
(c - d)/d
Ray
31. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Straight line
Parallel
Consecutive angles
Pi r^2 h
32. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
(c+d)/d
Addition subtration
Area of a polygon
D/c
33. The _______ tells how many times the root needs to be multiplied by itself
Radius
Index
Straight line
Isosceles
34. If you want to convert a fraction to a percentage you need to make it =
Parabola parallel line
Side square root
x over 100
(n/360) X 2pi r
35. The graph of y= ax^2 + bx + c is a curve know as a ____________
Radius
Right
Parabola
Apothem
36. What is the formula for the area of a triangle
6a^2
Central angle
1/2bh
4/3 pi r^3
37. Is a polygon that is both equilateral and equangular
Exterior angle
Regular polygon
6a^2
Line
38. How do you calculate the area of a parallelogram - what is the formula
Bh
Coplanar
Triangle
(n/360) X 2pi r
39. Two distinct straight lines can intersect at most at only one point
One
b/2a
(n/360) X 2pi r
(pi)r ^2
40. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Function single
Side square root
Reflex
Radius
41. A closed three sided figure is called a ____________
Triangle
Area of a polygon
Apothem
((n -2) (180))/n
42. A set of points in the seame plane equidistant from a fixed point - called its center
Subtract substitute
Length number
Circle
Regular polygon
43. What is the formula to calculate the area of a rectangle
Angle
Slope
Lw
Perpendicular
44. A line that intersects a circle in tow point is called the _______
Isosceles
Secant
Acute
Exponent
45. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Straight line
I
A+b
Linear substitute
46. The y value of the vertex of parabola is the equation
Positive
(4ac - b^2)/4a
Inverse
Vertical
47. 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
Transitive
Obtuse angle
Point circle does not exist
Apothem
48. In order to decimal to a percentage you need to ______ by 100
Hypotenuse
Symmetric
x
Multiply
49. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Circle
Length number
Isosceles
Slope
50. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Y
Multiply
Ab
Equal