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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
Y= then enter the number then press graph
Conditional
Cannot be drawn in quizlet
(-infinity - +infinity)

2. What is the domain of the cube root function?
(-infinity - +infinity)
Up
20+.05x=5+.10x x=minutes
The minimum or maximum points

3. What are two examples of composit functions?
Because the demintor of a quotient can never equal zero
Postiive slope
F(x+h)-f(x)/h h cannot equal zero
F of g and g of f

4. What type of slope do you have when a line rises from left to right and m>0?
Postiive slope
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
Parraelle line
F(x)=x^3

5. What is the formula in both horizontal stretching and horizontal shrinking?
The slope of a line containing two points
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Set the x and y to zero and get the intercepts and then plot the points
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

6. Is an absolute value function even - odd or neither?
Even
The first set of components of an ordered pair
Square Root
Down

7. What is the formula for the square root function?
Y=x - identity function
F(x+c) and f(x-c)
Y=10
F(x)=suare root of x

8. What type of function would you use to calculate the most advantageous cell phone plan?
Even
Identity
Piecewise
Any set of ordered pairs

9. What is the average rate of change formula?
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
Undefined
F(x2)-f(x1) / x2-x1
Even

10. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
F(x)=suare root of x
45 degree angle
Square Root
4 -6 -9

11. What is the domain for an absolute value function?
Three odd - cube root - identity - standard cubic
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
(-infinity - +infinity)
Identity

12. Draw or discuss a constant function
In a quotient
Inconsistant
Cannot be drawn in quizlet
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 is another way to write f(x)=x - what type of function is this?
Square Root
2nd catalog (zero key -) abs(x) - graph
Y=x - identity function
As many as you like

14. What type of line is a constant function?
Horizontal
The secant line
Y
(-infinity - +infinity)

15. Of the seven of algebra's common graph's how many are even?
Equation of a line
Absolute Value - Constant and Standard Quadratic
X2-x1 because the demonaitor of a quotient can never equal zero
Approach neg toward x through zero and above positive close to x

16. Which direction does f(x)=+c move in standard absolute value formula?
Three odd - cube root - identity - standard cubic
The secant line
Up
[0 -+infinity)

17. What is the slope of a perpendicular line?
Y=IxI
Approach neg toward x through zero and above positive close to x
In a quotient
Negative inverse

18. Draw or discuss a decreasing function
Cannot be drawn in quizlet
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Horizontal right
C>1 - horizontal shrinking

19. What does the square root function look like on a graph?
[0 -+infinity)
Line ascending to the right gradually
Horizontal
Horizontal

20. Draw or discuss a decreasing function
Identity
(-infinity - +infinity)
Cannot be drawn in quizlet
Absolute Value - Constant and Standard Quadratic

21. What is the formula for the square root function?
Y=b
X = the original sale price and the formula is x - .40x =$276
Y=b
F(x)=suare root of x

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

23. 4(x-7)=4x+28 is what type of an equation?
Inconsitent
45 degree angle
Y=x - identity function
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

24. What type of line is a constant function?
(f+g) - (f-g) - (fg) - (f/g) all of x
X is the hours to repair the boat. $1603-532=anwser/63 = x
Undefined slope
Horizontal

25. How are functions normally written?
[0 -+infinity)
As equations
Odd
Line ascending to the right gradually

26. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
The slope of a line containing two points
(-infinity - +infinity)
The single number y=
4 -6 -9

27. Is a constant function even - odd or neither?
(-infinity - +infinity)
Even
Perpendicular line
Cannot be drawn in quizlet

28. What is the formula for the standard cubic function?
A V
X = the original sale price and the formula is x - .40x =$276
45 degree angle
F(x)=x^3

29. x=no real numbers is what type of an equation?
The second set of components of an ordered pair
Inconsistant
Because the demintor of a quotient can never equal zero
(-infinity - +infinity)

30. What is the vertex?
X = the original sale price and the formula is x - .40x =$276
The minimum or maximum points
Even
Absolute Value - Constant and Standard Quadratic

31. What are the calculator instructions for absolute value?
Conditional
2nd catalog (zero key -) abs(x) - graph
Inconsistant
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse

32. How do you calculate a constant function in your calculator?
Cannot be drawn in quizlet
0<c<1 - horizontal stretching
X^2
Y= then enter the number then press graph

33. What is the horizontal line formula?
Y=b
As many as you like
Undefined
(-infinity - +infinity)

34. y=f(cx) - What does this formula represent?
C>1 - horizontal shrinking
Neither
Down
Y=10

35. What is the range of an identity function?
45 degree angle
(-infinity - +infinity)
45 degree angle
Conditional

36. What does the average rate of change formula solve?
Parraelle line
Postiive slope
X=a
The slope of a line containing two points

37. What can we substitute for f(x)?
Y
F(x2)-f(x1) / x2-x1
F of g and g of f
Approach neg toward x through zero and above positive close to x

38. What is the domain of a square root function?
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
The slope of a line containing two points
[0 -+infinity)
Y=10

39. What is slope?
Perpendicular line
Undefined slope
A line passing through two distinct points
F(x+c) and f(x-c)

40. What is the formula for to calculate the difference of a quotient function?
F(x+h)-f(x)/h h cannot equal zero
2nd catalog (zero key -) abs(x) - graph
F(x^1)=f(x^2)
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

41. What are the calculator instructions for absolute value?
No because you cannot have one domain pointing at two y's or ranges
In a quotient
Horizontal
2nd catalog (zero key -) abs(x) - graph

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

43. What type of slope do you have when the line is horizontal and m=0?
Perpendicular line
The minimum or maximum points
Zero slope
Inconsistant

44. Is the standard cubic function odd - even or neither?
F(x+c) and f(x-c)
Odd
F(x) = x
Horizontal

45. What is the letter used to represent slope?
Because the demintor of a quotient can never equal zero
(-infinity - +infinity)
F of g and g of f
M

46. What does the absolute value function look like?
Zero slope
Piecewise
A V
Y=IxI

47. What type of slope do you have when the line is horizontal and m=0?
Zero slope
Cannot be drawn in quizlet
Change in y / change in x = rise / run = y2-y1 / x2-x1
Y=IxI

48. Is the square root function odd - even or neither?
1 -2 -3
The second set of components of an ordered pair
F(x2)-f(x1) / x2-x1
Neither

49. What is a function?
Even
Conditional
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
F of g and g of f

50. What can never equal zero in the slope formula and why?
Horizontal left
X2-x1 because the demonaitor of a quotient can never equal zero
Y=10
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse