SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. The ____________ says y - y1= m(x-x1)
Point slope formula
Extranous excluded
1/2bh
Every
2. In complex numbers the square root of -1 = ______
x
I
Regular polygon
4pi r^2
3. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Multiply
Symmetric
Slope
Consecutive angles
4. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
0
Ax+ by = c
Straight line
Area of a polygon
5. 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)
Equilateral
Equal
Square
Hyperbola
6. Is a polygon that is both equilateral and equangular
Equal
Added
Central angle
Regular polygon
7. An angle whose measure is larger than 90 degrees but less than 180 degrees
Point line
Consecutive angles
Obtuse angle
1/2 (d)^2
8. 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
A^3
(c+d)/d
Adjacent
Quadratic formula
9. A __________________ is a circle passing through all the vertices of a polygon
Distributive
Extranous excluded
Straight
Circumscribed circle
10. The volume of a cube is
A^3
Polygon
Hypotenuse
1
11. A triangle with one obtuse angle (angle greater than 90 degrees) is
Exponent
Obtuse
Congruence
6a^2
12. In the law of proportion if a/b = c/d then b/a =
D/c
Y
One
Length number
13. If you want to convert a fraction to a percentage you need to make it =
Trapezoid
x over 100
A+b
(c - d)/d
14. Two lines are said to be ______________ if they intersect and form right angles
Obtuse angle
Perpendicular
4pi r^2
Radius
15. A triangle with no equal sides
A x b x c
Scalene
Lw
180
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 __________or a __________ or __________(b=0 and a=c)
Point circle does not exist
Obtuse
Distributive
Complex
17. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Complimentary
Roots
One
(n/360) X 2pi r
18. In the law of proportion if a/b = c/d then (a - b)/b =
Secant
(c - d)/d
Parallel
Line
19. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Multiply
Factor
Function single
Ratio
20. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Area of a polygon
Scalene
Point line
Radius
21. A line that intersects a circle in tow point is called the _______
Factoral
Secant
Polygon
1/3 pi r^2 h
22. In order to decimal to a percentage you need to ______ by 100
Rectangle
Bisect
Length number
Multiply
23. 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)
Right angle
Point circle does not exist
Addition subtration
D/c
24. That points of intersection on a triangle are called its _____________
Vertices
Polygon
1/2bh
Extranous excluded
25. A line segment joining two poing on a circle is called a ________
Chord
Distance
Extranous excluded
Isosceles
26. The square of a real number cannot be ___________
Negative
Multiply
Apothem
Distributive
27. What is the surface area of a sphere with a radius r
Equilateral polygon
Parabola
Roots
4pi r^2
28. The set of all points on a half line and the dividing point itself
Radius
Reflexive
Ray
Positive
29. 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
Linear substitute
Multiply
Distance between 2 points
Regular polygon
30. What is the area of a pyramid or cone (hint B= area of Base)
1/3Bh
Acute
Angle
b/2a
31. What is the linear equation where a - b and c are constants b cannot = 0
Ax+ by = c
Slope
Complex
A x b x c
32. The segment from the center of the polygon perpendicular to as side of the polygon
Symmetric
Every
Isosceles
Apothem
33. In a function the x value is the ___________variable
Altitude
Angle
x over 100
Dependent
34. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
N!/ (n - r)!
Distributive
6a^2
Exponent
35. y2- y1 divided by x2- x1 = the ____________
Isosceles
Ellipse
Multiply
Slope
36. To find the x intersept we need to make __________= 0
Straight line
Scalene
Y
x over 100
37. The union of two rays having the same end point
Pi r^2 h
Angle
((n -2) (180))/n
b/2a
38. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Inverse
Vertical
Apothem
((n -2) (180))/n
39. What is the volume of a sphere with a radius r
4/3 pi r^3
Secant
Consecutive angles
Radius
40. An angle whose measure is 90 degrees
One
Y
Radius
Right angle
41. What is the formula the formula for an arc if you know the radius and the n= central angle
Bh
Circle
(n/360) X 2pi r
Isosceles
42. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Polygon
Addition subtration
Central angle
43. If all points lie in the same plane they are __________
Linear substitute
Coplanar
Triangle
2pi r^2 + 2pi rh
44. A line that divides a line segment into two congruent segments
Roots
180
Bisector
Collinear
45. The square of both a positive number and a negative real number is _____________
Positive
Equilateral
6a^2
Scalene
46. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Multiply
Radius
Mildline
Coplanar
47. What is the formula for a combination (where order matters)
Pi r^2 h
Scalene
N!/(r!(n - r)!)
(c+d)/d
48. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
1
Lw
Altitude
1/2h (b1 + b2)
49. The side of a right triangle opposite the right angle
Commutative
Hypotenuse
Distance between 2 points
Rectangle
50. What is the formula for a square if you only know the length of the diaganol
Associative
1/2 (d)^2
Complex
Hyotenuse