SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
College Algebra Test
Start Test
Study First
Subjects
:
math
,
algebra
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. x=all real numbers is what type of an equation?
Negative inverse
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
F(x)=IxI
Identity
2. How many domains can you have pointing to one range?
4 -6 -9
Y=10
As many as you like
Parabola - up one and right three
3. What type of slope do you have when the line is horizontal and m=0?
Negative slope
Yes because two x's or domains can point to one y
Zero slope
Cannot be drawn in quizlet
4. y=f(cx) - What does this formula represent?
X math 3 graph
C>1 - horizontal shrinking
Change in y / change in x = rise / run = y2-y1 / x2-x1
(-infinity - +infinity)
5. When is the only time (-infinity - +infinity) is not the domain?
In a quotient
X2-x1 because the demonaitor of a quotient can never equal zero
45 degree angle
Only one
6. How would this formula move f(x)=(x+1)^2-3
Parabola
A V
X = the original sale price and the formula is x - .40x =$276
Parabola - up one and right three
7. In an identity function if f(10)=x than What is y?
Horizontal left
Odd
Set the x and y to zero and get the intercepts and then plot the points
Y=10
8. What is the range for a standard quadratic function?
M
Even
(-infinity - 0]you[0 - +infinity)
0<c<1 - horizontal stretching
9. What does the square root function look like on a graph?
Line ascending to the right gradually
Conditional
C>1 - horizontal shrinking
Y=x^2 - graph
10. What can never equal zero in the slope formula and why?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
As equations
X2-x1 because the demonaitor of a quotient can never equal zero
Horizontal right
11. What are the calculator instructions for the cube root function?
Three odd - cube root - identity - standard cubic
F(x+h)-f(x)/h h cannot equal zero
Math 4 x - graph
Any set of ordered pairs
12. What is a domain?
Square Root
Every line has an equation that can be written in general form. Ax+By+C=0 where A -B & C are real numbers and A & B cannot be zero.
Horizontal right
The first set of components of an ordered pair
13. What is another way of writing the absolute value function?
(-infinity - +infinity)
Y=IxI
F(x+c) and f(x-c)
Approach neg toward x through zero and above positive close to x
14. What are the algebra of functions?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Carefuly understand let x be one of the unknowns - write expressions for any other unknowns in terms of x - write an equation in x that models the verbal conditions of the problem - solve the equation - check solution in the original wording of the p
Mirror image neg quadrant to that of the positive quandrant
(f+g) - (f-g) - (fg) - (f/g) all of x
15. standard absolute value - vertical shift formulas for positve and negative
As many as you like
(f+g) - (f-g) - (fg) - (f/g) all of x
F(x)=+c and f(x)-c
Inconsitent
16. 4x+5x=8x is what type of an equation?
Conditional
Mirror image neg quadrant to that of the positive quandrant
Absolute Value - Constant and Standard Quadratic
Inconsitent
17. x= a real number is what type of equation?
Conditional
Mirror image neg quadrant to that of the positive quandrant
Yes because two x's or domains can point to one y
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
18. How many ranges can you have for each domain?
Only one
F(x)=x^3
C(t) = 20+(.40(t-60) if you have a base of $20 for a plan and .40 cents above every minute you spend over one hour you have to first know how many minutes you went over one hour - then multuply by .40 cents for the additional minutes and add the base
Horizontal left
19. Why can h not equal zero in the difference of a quotient function formula?
Because the demintor of a quotient can never equal zero
Undefined
M
20+.05x=5+.10x x=minutes
20. What type of slope do vertical lines have?
F(x)=suare root of x
Because the demintor of a quotient can never equal zero
Undefined
The opposite coordinates
21. What does linear equation mean?
Only one
Y=IxI
Identity
Equation of a line
22. What is the line called that illustrates the straight line between the two points when showing average rate of change?
Horizontal
4 -6 -9
Same
The secant line
23. What is a constant function?
Y
F(x^1)=f(x^2)
Square Root
F of g and g of f
24. What is the formula for to calculate the difference of a quotient function?
F(x2)-f(x1) / x2-x1
F(x+h)-f(x)/h h cannot equal zero
Up
(-infinity - +infinity)
25. What is the range for an absolute value function?
(-infinity - 0]you[0 - +infinity)
The slope of a line containing two points
Horizontal
F(x)=suare root of x
26. What does the average rate of change formula solve?
The secant line
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
The slope of a line containing two points
The minimum or maximum points
27. What is another way of writing the absolute value function?
The secant line
Neither
Y=IxI
(-infinity - +infinity)
28. What is the formula for the cube root function?
Horizontal
F(x)=3 square root x
Only one
Undefined slope
29. What are the calculator instructions for a square root function?
F(x) = x
Horizontal
2nd key - x^2 - graph
X^2
30. What is the formula for the square root function?
F(x)=suare root of x
M
Horizontal right
Identity
31. Is an absolute value function even - odd or neither?
F(x)=IxI
Horizontal left
Even
Cannot be drawn in quizlet
32. What is the range for a standard quadratic function?
Math 4 x - graph
F(x)=3 square root x
Equation of a line
(-infinity - 0]you[0 - +infinity)
33. What type of slope do you have when the line is horizontal and m=0?
Neither
As many as you like
45 degree angle
Zero slope
34. What is the domain of an identity function?
0<c<1 - horizontal stretching
(-infinity - +infinity)
Same
Inconsitent
35. What is slope?
A line passing through two distinct points
Identity
Remove grouping symbols and combine like terms - variables on one side of = and numbers on the other - isolate the variables and solve and check anwser.
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
36. What are the calculator instructions for the standard cubic function?
(-infinity - +infinity)
X math 3 graph
Approach neg toward x through zero and above positive close to x
A line passing through two distinct points
37. What is the domain for an absolute value function?
Square Root
Set the x and y to zero and get the intercepts and then plot the points
(-infinity - +infinity)
X^2
38. What is the formula for the cube root function?
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
(-infinity - +infinity)
F(x)=3 square root x
(-infinity - +infinity)
39. What is a range?
Three odd - cube root - identity - standard cubic
Undefined slope
Three odd - cube root - identity - standard cubic
The second set of components of an ordered pair
40. y=f(cx) What does this formula represent?
0<c<1 - horizontal stretching
Mirror image neg quadrant to that of the positive quandrant
Neither
Conditional
41. 4(x-7)=4x+28 is what type of an equation?
Cannot be drawn in quizlet
(-infinity - +infinity)
Inconsitent
Approach neg toward x through zero and above positive close to x
42. What is the formula for an absolute value function?
45 degree angle
X math 3 graph
F(x)=IxI
Line ascending to the right gradually
43. Is a standard quadratic function even - odd or neither?
Inconsistant
Remove grouping symbols and combine like terms - variables on one side of = and numbers on the other - isolate the variables and solve and check anwser.
Yes because two x's or domains can point to one y
Even
44. What type of slope do you have when a line rises from left to right and m>0?
F(x)=3 square root x
Postiive slope
[0 -+infinity)
In a quotient
45. What does the standard cubic function look like on a graph?
45 degree angle
Odd
Mirror image neg quadrant to that of the positive quandrant
Neither
46. What is the average rate of change formula?
F(x2)-f(x1) / x2-x1
X^2
Approach neg toward x through zero and above positive close to x
(-infinity - +infinity)
47. What shape is the standard quadratic function?
Identity
Three odd - cube root - identity - standard cubic
Yes - all the domains points to one range
Parabola
48. How many domains can you have pointing to one range?
As many as you like
Horizontal
A V
C>1 - horizontal shrinking
49. What is the formula for to calculate the difference of a quotient function?
(-infinity - +infinity)
F(x+h)-f(x)/h h cannot equal zero
(-infinity - +infinity)
20+.05x=5+.10x x=minutes
50. What is the domain for the standard cubic function?
The minimum or maximum points
(-infinity - +infinity)
Y=x - identity function
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope