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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. How would this formula move f(x)=(x+1)^2-3
Parabola - up one and right three
Only one
Down
The slope of a line containing two points

2. What is the domain and range of a constant function?
The single number y=
A line passing through two distinct points
Cannot be drawn in quizlet
(-infinity - +infinity)

3. What does linear equation mean?
Identity
Equation of a line
Y=x^2 - graph
F(x)=3 square root x

4. What is the horizontal line formula?
Equation of a line
Zero slope
Undefined slope
Y=b

5. What is the standard quadratic function?
A V
Y= then enter the number then press graph
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
X^2

6. How many domains can you have pointing to one range?
Parabola - up one and right three
As many as you like
2nd key - x^2 - graph
(-infinity - +infinity)

7. Draw or discuss a constant function
Change in y / change in x = rise / run = y2-y1 / x2-x1
Parabola - up one and right three
Piecewise
Cannot be drawn in quizlet

8. y=f(cx) What does this formula represent?
F(x)=3 square root x
F(x)=suare root of x
0<c<1 - horizontal stretching
As equations

9. Is an absolute value function even - odd or neither?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
X=a
Even
(-infinity - +infinity)

10. What type of slope do you have when a line rises from left to right and m>0?
Line ascending to the right gradually
Odd
Postiive slope
X math 3 graph

11. What does the square root function look like on a graph?
Parabola - up one and right three
Negative slope
Line ascending to the right gradually
As many as you like

12. What are the calculator instructions for the standard cubic function?
Postiive slope
X is the hours to repair the boat. $1603-532=anwser/63 = x
Line ascending to the right gradually
X math 3 graph

13. What are the calculator instructions for the standard cubic function?
Square Root
Negative inverse
The single number y=
X math 3 graph

14. What is the range for a standard quadratic function?
[0 -+infinity)
0<c<1 - horizontal stretching
The first set of components of an ordered pair
(-infinity - 0]you[0 - +infinity)

15. 4(x-7)=4x+28 is what type of an equation?
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
Parabola - up one and right three
Inconsitent
Up

16. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
Inconsitent
Yes - all the domains points to one range
Approach neg toward x through zero and above positive close to x
Perpendicular line

17. What is the formula for the standard cubic function?
Function notation
Down
F(x)=x^3
Zero slope

18. A. $20 +.05 per min B. $5 +.10 per min - What is x and how do you set up the formula?
X^2
Only one
The opposite coordinates
20+.05x=5+.10x x=minutes

19. What equation does every line have? Discuss the variables.
Only one
X math 3 graph
The single number y=
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.

20. In an identity function if f(10)=x than What is y?
Y=10
Odd
F(x)=x^3
X2-x1 because the demonaitor of a quotient can never equal zero

21. What direction does f(x)-c move in standard absolute value formula?
The first set of components of an ordered pair
Y= then enter the number then press graph
Y=IxI
Down

22. What are the calculator instructions for a standard quadratic equation?
F(x2)-f(x1) / x2-x1
(-infinity - +infinity)
As many as you like
Y=x^2 - graph

23. standard absolute value - vertical shift formulas for positve and negative
(-infinity - +infinity)
Down
F(x)=+c and f(x)-c
As many as you like

24. 4(x-7)=4x-28 is what type of an equation?
Math 4 x - graph
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.
Conditional
Identity

25. What is the vertical line formula?
X2-x1 because the demonaitor of a quotient can never equal zero
Parabola
(-infinity - +infinity)
X=a

26. What does the absolute value function look like?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Because the demintor of a quotient can never equal zero
F(x)=suare root of x
A V

27. y=f(cx) - What does this formula represent?
Cannot be drawn in quizlet
[0 -+infinity)
C>1 - horizontal shrinking
The minimum or maximum points

28. What does the standard cubic function look like on a graph?
Mirror image neg quadrant to that of the positive quandrant
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
F(x+c) and f(x-c)
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.

29. What is the range of the constant function?
X=a
Math 4 x - graph
The single number y=
Because the demintor of a quotient can never equal zero

30. standard absolute value - horizontal shift formulas for left and right
(-infinity - +infinity)
1 -2 -3
F(x+c) and f(x-c)
Identity

31. What is a function?
Three odd - cube root - identity - standard cubic
[0 -+infinity)
Undefined
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

32. What is slope?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
1 -2 -3
The slope of a line containing two points
A line passing through two distinct points

33. Is an identity function even - odd or neither?
Odd
Set the x and y to zero and get the intercepts and then plot the points
Inconsistant
F(x+h)-f(x)/h h cannot equal zero

34. What type of line is an identity function?
20+.05x=5+.10x x=minutes
Set the x and y to zero and get the intercepts and then plot the points
F(x)=3 square root x
45 degree angle

35. Which direction does f(x+c) move
Only one
2nd catalog (zero key -) abs(x) - graph
In a quotient
Horizontal left

36. What is the range for an absolute value function?
Undefined slope
In a quotient
Any set of ordered pairs
(-infinity - 0]you[0 - +infinity)

37. How do you graph Ax+By+C=0?
4 -6 -9
Mirror image neg quadrant to that of the positive quandrant
Y= then enter the number then press graph
Set the x and y to zero and get the intercepts and then plot the points

38. What does the standard cubic function look like on a graph?
When does a graph not define y as a function of x?
Y=b
Mirror image neg quadrant to that of the positive quandrant
(-infinity - 0]you[0 - +infinity)

39. What are two examples of composit functions?
Conditional
Change in y / change in x = rise / run = y2-y1 / x2-x1
F of g and g of f
Function notation

40. y=f(cx) - What does this formula represent?
C>1 - horizontal shrinking
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
2nd catalog (zero key -) abs(x) - graph
The slope of a line containing two points

41. What direction does f(x)-c move in standard absolute value formula?
Down
In a quotient
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
F(x)=+c and f(x)-c

42. What is the letter used to represent slope?
(-infinity - +infinity)
M
(f+g) - (f-g) - (fg) - (f/g) all of x
F(x)=IxI

43. What is the formula in both horizontal stretching and horizontal shrinking?
[0 -+infinity)
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
Horizontal
The single number y=

44. What is the domain of the cube root function?
Cannot be drawn in quizlet
Even
X math 3 graph
(-infinity - +infinity)

45. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
4 -6 -9
Odd
F(x+c) and f(x-c)
X=a

46. Which direction does f(x-c) move
(-infinity - +infinity)
Equation of a line
Horizontal right
The opposite coordinates

47. What is the formula for slope?
The opposite coordinates
Change in y / change in x = rise / run = y2-y1 / x2-x1
4 -6 -9
X is the hours to repair the boat. $1603-532=anwser/63 = x

48. x=all real numbers is what type of an equation?
Identity
Inconsitent
F(x)=3 square root x
Zero slope

49. $50000 is the original investment - you will invest the money at two seperate interest rates 15% and 7% and the yield is $6000. What is x and What is the formula?
Odd
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
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Because the demintor of a quotient can never equal zero

50. How do you graph Ax+By+C=0?
X^2
Math 4 x - graph
Y=10
Set the x and y to zero and get the intercepts and then plot the points