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College Algebra Test

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. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
Line ascending to the right gradually
No because you cannot have one domain pointing at two y's or ranges
Negative inverse
X = the original sale price and the formula is x - .40x =$276

2. Draw or discuss an increasing function
The secant line
Cannot be drawn in quizlet
Yes - all the domains points to one range
Parabola - up one and right three

3. How do you calculate a constant function in your calculator?
Cannot be drawn in quizlet
Y= then enter the number then press graph
Line ascending to the right gradually
Change in y / change in x = rise / run = y2-y1 / x2-x1

4. Repair bill for a boat is $1 -603. $532 is for parts and it's $63 per hour for labor. How many hours does it take to fix the boat and What is x?
Undefined slope
F(x2)-f(x1) / x2-x1
X is the hours to repair the boat. $1603-532=anwser/63 = x
Parabola - up one and right three

5. What are the calculator instructions for absolute value?
2nd catalog (zero key -) abs(x) - graph
(-infinity - +infinity)
M
The first set of components of an ordered pair

6. What is another way of writing the absolute value function?
Y=IxI
The single number y=
F of g and g of f
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

7. What is the range of the cube root function?
Y=IxI
2nd key - x^2 - graph
(-infinity - +infinity)
Y=x - identity function

8. What type of line is a constant function?
Y=IxI
Horizontal
F(x)=+c and f(x)-c
Yes - all the domains points to one range

9. What are the calculator instructions for absolute value?
4 -6 -9
F(x^1)=f(x^2)
2nd catalog (zero key -) abs(x) - graph
Yes because two x's or domains can point to one y

10. x^2+y=4 is this a function? Why?

11. What is the formula for to calculate the difference of a quotient function?
F(x+h)-f(x)/h h cannot equal zero
F(x) = x
Any set of ordered pairs
Even

12. What direction does f(x)-c move in standard absolute value formula?
Down
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.
2nd catalog (zero key -) abs(x) - graph
Identity

13. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
1 -2 -3
No because you cannot have one domain pointing at two y's or ranges
(-infinity - +infinity)
F(x)=suare root of x

14. f(x) = x^2+3x+5 - what type of formula is this?
F of g and g of f
Yes - all the domains points to one range
Function notation
Absolute Value - Constant and Standard Quadratic

15. What type of slope do horizontal lines have?
Yes because two x's or domains can point to one y
Same
Y
(-infinity - +infinity)

16. What points do you use to plot the inverse on a graph?
(-infinity - +infinity)
The opposite coordinates
Inconsitent
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

17. What are the calculator instructions for the standard cubic function?
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
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
X math 3 graph
The slope of a line containing two points

18. What is the range for a standard quadratic function?
As equations
No because you cannot have one domain pointing at two y's or ranges
(-infinity - 0]you[0 - +infinity)
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

19. What shape is the standard quadratic function?
[0 -+infinity)
1 -2 -3
Parabola
Square Root

20. How do you graph Ax+By+C=0?
Odd
1 -2 -3
Set the x and y to zero and get the intercepts and then plot the points
F(x+h)-f(x)/h h cannot equal zero

21. How are functions normally written?
Y=x^2 - graph
F(x2)-f(x1) / x2-x1
(f+g) - (f-g) - (fg) - (f/g) all of x
As equations

22. What are the calculator instructions for the cube root function?
Cannot be drawn in quizlet
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
Y=x - identity function
Math 4 x - graph

23. What direction does f(x)-c move in standard absolute value formula?
Negative slope
Down
Undefined
Absolute Value - Constant and Standard Quadratic

24. What is the range of the cube root function?
Only one
(-infinity - +infinity)
Y=b
Odd

25. Is a constant function even - odd or neither?
When does a graph not define y as a function of x?
Even
F(x)=x^3
Set the x and y to zero and get the intercepts and then plot the points

26. What are two examples of composit functions?
Square Root
F of g and g of f
Yes - all the domains points to one range
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

27. What is the formula for an absolute value function?
Y=10
Y= then enter the number then press graph
Change in y / change in x = rise / run = y2-y1 / x2-x1
F(x)=IxI

28. Is an absolute value function even - odd or neither?
A line passing through two distinct points
Even
Math 4 x - graph
The opposite coordinates

29. What type of line is an identity function?
45 degree angle
Three odd - cube root - identity - standard cubic
The minimum or maximum points
F(x)=+c and f(x)-c

30. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
Y=10
The slope of a line containing two points
Yes - all the domains points to one range
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

31. What type of slope do you have when the line is horizontal and m=0?
X is the hours to repair the boat. $1603-532=anwser/63 = x
Zero slope
(-infinity - 0]you[0 - +infinity)
F(x)=x^3

32. What is a function?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Y
Cannot be drawn in quizlet
Three odd - cube root - identity - standard cubic

33. What does the average rate of change formula solve?
Odd
Square Root
The slope of a line containing two points
Change in y / change in x = rise / run = y2-y1 / x2-x1

34. What does the graph of the cube root function look like on the graph?
Approach neg toward x through zero and above positive close to x
(-infinity - +infinity)
Horizontal left
C>1 - horizontal shrinking

35. What is the point slope formula and when do you use it?
When does a graph not define y as a function of x?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Conditional

36. Which direction does f(x)=+c move in standard absolute value formula?
Up
No because you cannot have one domain pointing at two y's or ranges
F(x) = x
The second set of components of an ordered pair

37. What are the four steps for finding the inverse of a function?
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
2nd catalog (zero key -) abs(x) - graph
Odd
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

38. What type of line is an identity function?
Absolute Value - Constant and Standard Quadratic
45 degree angle
(f+g) - (f-g) - (fg) - (f/g) all of x
Even

39. What is the range for the standard cubic function?
(-infinity - +infinity)
Approach neg toward x through zero and above positive close to x
Identity
Cannot be drawn in quizlet

40. What is the vertical line test?
When does a graph not define y as a function of x?
Negative slope
The opposite coordinates
(-infinity - 0]you[0 - +infinity)

41. 4(x-7)=4x-28 is what type of an equation?
Y= then enter the number then press graph
Only one
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
Identity

42. What is the domain for an absolute value function?
20+.05x=5+.10x x=minutes
(-infinity - +infinity)
Negative slope
F(x)=3 square root x

43. Draw or discuss a decreasing function
M
Y=x^2 - graph
Cannot be drawn in quizlet
Identity

44. How would this formula move f(x)=(x+1)^2-3
Parabola - up one and right three
0<c<1 - horizontal stretching
No because you cannot have one domain pointing at two y's or ranges
(-infinity - +infinity)

45. x= a real number is what type of equation?
Neither
(-infinity - +infinity)
Math 4 x - graph
Conditional

46. How would this formula move f(x)=(x+1)^2-3
Parabola - up one and right three
As equations
(-infinity - 0]you[0 - +infinity)
Function notation

47. What is the domain of an identity function?
F(x+h)-f(x)/h h cannot equal zero
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
(-infinity - +infinity)
Horizontal left

48. What is the formula for the cube root function?
F(x)=3 square root x
Change in y / change in x = rise / run = y2-y1 / x2-x1
F(x) = x
F(x+h)-f(x)/h h cannot equal zero

49. standard absolute value - vertical shift formulas for positve and negative
F(x+h)-f(x)/h h cannot equal zero
2nd catalog (zero key -) abs(x) - graph
F(x)=+c and f(x)-c
Undefined

50. What does linear equation mean?
X2-x1 because the demonaitor of a quotient can never equal zero
Equation of a line
(-infinity - +infinity)
0<c<1 - horizontal stretching