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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. Draw or discuss a constant function
Cannot be drawn in quizlet
(-infinity - +infinity)
[0 -+infinity)
Y=IxI

2. What is the formula for the standard cubic function?
Equation of a line
A V
F(x)=x^3
(-infinity - +infinity)

3. What type of line is a constant function?
2nd key - x^2 - graph
Y=x^2 - graph
Horizontal
F(x) = x

4. What are the calculator instructions for a square root function?
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
F(x)=IxI
(-infinity - +infinity)
2nd key - x^2 - graph

5. What type of slope do vertical lines have?
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
Undefined
Even
F(x^1)=f(x^2)

6. What type of line is a constant function?
The single number y=
Cannot be drawn in quizlet
Horizontal
The minimum or maximum points

7. standard absolute value - horizontal shift formulas for left and right
Set the x and y to zero and get the intercepts and then plot the points
F(x+c) and f(x-c)
Negative inverse
Line ascending to the right gradually

8. Is a constant function even - odd or neither?
F(x)=suare root of x
0<c<1 - horizontal stretching
Even
As many as you like

9. What are two examples of composit functions?
Parabola - up one and right three
When does a graph not define y as a function of x?
F of g and g of f
Y=IxI

10. x=all real numbers is what type of an equation?
Y= then enter the number then press graph
As equations
Identity
As many as you like

11. What is the formula for the cube root function?
F(x)=3 square root x
Identity
Parraelle line
Neither

12. What is the horizontal line formula?
The minimum or maximum points
(-infinity - +infinity)
Y=b
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.

13. What does the absolute value function look like?
F(x+c) and f(x-c)
A V
A line passing through two distinct points
Any set of ordered pairs

14. What is a constant function?
F(x^1)=f(x^2)
(-infinity - 0]you[0 - +infinity)
(-infinity - +infinity)
F(x2)-f(x1) / x2-x1

15. What is the point slope formula and when do you use it?
(-infinity - +infinity)
Set the x and y to zero and get the intercepts and then plot the points
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
F of g and g of f

16. y=f(cx) - What does this formula represent?
As equations
X is the hours to repair the boat. $1603-532=anwser/63 = x
(-infinity - +infinity)
C>1 - horizontal shrinking

17. What is a constant function?
Even
Approach neg toward x through zero and above positive close to x
Y=IxI
F(x^1)=f(x^2)

18. What is the formula for an identity function?
Piecewise
[0 -+infinity)
(-infinity - +infinity)
F(x) = x

19. What is an identity function?
(-infinity - 0]you[0 - +infinity)
Undefined slope
F(x2)-f(x1) / x2-x1
45 degree angle

20. Of the seven of algebra's common graph's how many are odd?
Three odd - cube root - identity - standard cubic
Line ascending to the right gradually
(f+g) - (f-g) - (fg) - (f/g) all of x
X = the original sale price and the formula is x - .40x =$276

21. What is the range of an identity function?
(-infinity - +infinity)
Approach neg toward x through zero and above positive close to x
As many as you like
Line ascending to the right gradually

22. What is the range for the standard cubic function?
(-infinity - +infinity)
As equations
Inconsistant
(-infinity - 0]you[0 - +infinity)

23. Is an identity function even - odd or neither?
Yes - all the domains points to one range
Odd
(-infinity - +infinity)
When does a graph not define y as a function of x?

24. What type of slope do horizontal lines have?
Same
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Parabola
Yes - all the domains points to one range

25. What is the domain for an absolute value function?
As many as you like
The opposite coordinates
(-infinity - +infinity)
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

26. What is the range for a standard quadratic function?
Change in y / change in x = rise / run = y2-y1 / x2-x1
Y
(-infinity - +infinity)
(-infinity - 0]you[0 - +infinity)

27. What type of slope do you have when the line is horizontal and m=0?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
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
Zero slope
Inconsitent

28. What is the formula for to calculate the difference of a quotient function?
Negative slope
Odd
F(x+h)-f(x)/h h cannot equal zero
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

29. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
Yes - all the domains points to one range
4 -6 -9
(-infinity - +infinity)
Parraelle line

30. What is an identity function?
45 degree angle
Absolute Value - Constant and Standard Quadratic
Horizontal right
Even

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

32. What direction does f(x)-c move in standard absolute value formula?
2nd key - x^2 - graph
Down
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Identity

33. Draw or discuss a constant function
Cannot be drawn in quizlet
(-infinity - +infinity)
F(x)=IxI
Inconsitent

34. What is the vertex?
Square Root
Zero slope
The minimum or maximum points
Cannot be drawn in quizlet

35. What is the line called that illustrates the straight line between the two points when showing average rate of change?
The secant line
In a quotient
A V
Horizontal left

36. x=no real numbers is what type of an equation?
F of g and g of f
Postiive slope
X is the first invesment at 15% and the next is the original $50K less the first investment at the second interest rate or 7% = $6000
Inconsistant

37. What does the absolute value function look like?
Up
A V
As equations
[0 -+infinity)

38. What are the calculator instructions for a square root function?
2nd key - x^2 - graph
Y=10
(f+g) - (f-g) - (fg) - (f/g) all of x
F(x2)-f(x1) / x2-x1

39. What is the vertex?
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
Negative inverse
The minimum or maximum points
Math 4 x - graph

40. x=no real numbers is what type of an equation?
Inconsistant
The opposite coordinates
F(x+c) and f(x-c)
Y=b

41. In an identity function if f(10)=x than What is y?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Undefined
F(x)=x^3
Y=10

42. What direction does f(x)-c move in standard absolute value formula?
(-infinity - 0]you[0 - +infinity)
Approach neg toward x through zero and above positive close to x
Down
(-infinity - +infinity)

43. What is the vertical line formula?
(-infinity - +infinity)
2nd catalog (zero key -) abs(x) - graph
X=a
0<c<1 - horizontal stretching

44. A flat line underlining one vertical line is a symbol for...
(-infinity - +infinity)
Yes - all the domains points to one range
Perpendicular line
As many as you like

45. What type of line is a constant function?
Y=10
Horizontal
Approach neg toward x through zero and above positive close to x
X^2

46. standard absolute value - horizontal shift formulas for left and right
A V
F(x+c) and f(x-c)
(-infinity - +infinity)
(-infinity - +infinity)

47. What is a function?
(-infinity - +infinity)
Square Root
Y=IxI
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

48. What are the calculator instructions for the standard cubic function?
Negative inverse
X math 3 graph
F(x)=3 square root x
(-infinity - +infinity)

49. What is the domain of the cube root function?
Horizontal right
(-infinity - +infinity)
Y=x - identity function
X2-x1 because the demonaitor of a quotient can never equal zero

50. Two vertical lines side by side are a symbol for what
A line passing through two distinct points
The minimum or maximum points
Parraelle line
X = the original sale price and the formula is x - .40x =$276