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

2. What is the formula in both horizontal stretching and horizontal shrinking?
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
Because the demintor of a quotient can never equal zero
2nd key - x^2 - graph
Y=x - identity function

3. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
Yes - all the domains points to one range
4 -6 -9
(-infinity - +infinity)
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

4. What is the average rate of change formula?
F(x2)-f(x1) / x2-x1
F(x) = x
X=a
(-infinity - +infinity)

5. What type of line is a constant function?
Undefined slope
(-infinity - +infinity)
Same
Horizontal

6. Is a standard quadratic function even - odd or neither?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
(-infinity - +infinity)
Even
Line ascending to the right gradually

7. What is the domain for a standard quadratic function?
2nd catalog (zero key -) abs(x) - graph
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
(-infinity - +infinity)
1 -2 -3

8. What is the domain for an absolute value function?
Postiive slope
Change in y / change in x = rise / run = y2-y1 / x2-x1
(-infinity - +infinity)
[0 -+infinity)

9. x= a real number is what type of equation?
Y=b
Conditional
Horizontal
F(x) = x

10. How many domains can you have pointing to one range?
Cannot be drawn in quizlet
Yes because two x's or domains can point to one y
As many as you like
Three odd - cube root - identity - standard cubic

11. x= a real number is what type of equation?
45 degree angle
Conditional
Piecewise
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

12. Draw or discuss a constant function
F(x)=3 square root x
Cannot be drawn in quizlet
1 -2 -3
Identity

13. What shape is the standard quadratic function?
Same
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
Up
Parabola

14. What is the letter used to represent slope?
0<c<1 - horizontal stretching
Parraelle line
X2-x1 because the demonaitor of a quotient can never equal zero
M

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

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16. What is the range of an identity function?
(-infinity - +infinity)
Even
(f+g) - (f-g) - (fg) - (f/g) all of x
The secant line

17. What type of slope do horizontal lines have?
Same
Y=b
Math 4 x - graph
Y

18. What is the formula for slope?
The first set of components of an ordered pair
Because the demintor of a quotient can never equal zero
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Change in y / change in x = rise / run = y2-y1 / x2-x1

19. Is an absolute value function even - odd or neither?
F(x^1)=f(x^2)
Down
1 -2 -3
Even

20. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
Piecewise
X = the original sale price and the formula is x - .40x =$276
Horizontal
Any set of ordered pairs

21. Is an identity function even - odd or neither?
Odd
Cannot be drawn in quizlet
F(x)=3 square root x
Line ascending to the right gradually

22. What is a range?
Parabola - up one and right three
Approach neg toward x through zero and above positive close to x
F(x^1)=f(x^2)
The second set of components of an ordered pair

23. What direction does f(x)-c move in standard absolute value formula?
(-infinity - +infinity)
Down
Horizontal left
2nd catalog (zero key -) abs(x) - graph

24. standard absolute value - horizontal shift formulas for left and right
Y=10
Only one
Any set of ordered pairs
F(x+c) and f(x-c)

25. A flat line underlining one vertical line is a symbol for...
Piecewise
Y=b
Undefined
Perpendicular line

26. What is the domain for an absolute value function?
The first set of components of an ordered pair
0<c<1 - horizontal stretching
(-infinity - +infinity)
F of g and g of f

27. What is the domain of an identity function?
Y=b
(-infinity - +infinity)
The second set of components of an ordered pair
[0 -+infinity)

28. How many ranges can you have for each domain?
2nd catalog (zero key -) abs(x) - graph
Only one
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
0<c<1 - horizontal stretching

29. How do you calculate a constant function in your calculator?
F(x)=+c and f(x)-c
Horizontal right
Approach neg toward x through zero and above positive close to x
Y= then enter the number then press graph

30. standard absolute value - vertical shift formulas for positve and negative
Function notation
Cannot be drawn in quizlet
Up
F(x)=+c and f(x)-c

31. What is the range for the standard cubic function?
Same
Cannot be drawn in quizlet
(-infinity - +infinity)
Y=x^2 - graph

32. What type of function would you use to calculate the most advantageous cell phone plan?
F(x^1)=f(x^2)
The single number y=
F of g and g of f
Piecewise

33. Two vertical lines side by side are a symbol for what
[0 -+infinity)
Parraelle line
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
(-infinity - +infinity)

34. What type of slope do you have when a line falls left to right and m<0?
[0 -+infinity)
(-infinity - 0]you[0 - +infinity)
(f+g) - (f-g) - (fg) - (f/g) all of x
Negative slope

35. What is the formula for the cube root function?
F(x)=3 square root x
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.
Same
Perpendicular line

36. What is the vertex?
The minimum or maximum points
(f+g) - (f-g) - (fg) - (f/g) all of x
45 degree angle
F(x) = x

37. What is the formula for to calculate the difference of a quotient function?
(-infinity - +infinity)
Negative inverse
Postiive slope
F(x+h)-f(x)/h h cannot equal zero

38. What is the range of the cube root function?
(-infinity - +infinity)
The secant line
The single number y=
X = the original sale price and the formula is x - .40x =$276

39. How do you graph Ax+By+C=0?
Set the x and y to zero and get the intercepts and then plot the points
Identity
Horizontal right
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.

40. What is the range of a square root function?
Equation of a line
F(x+h)-f(x)/h h cannot equal zero
[0 -+infinity)
Same

41. 4(x-7)=4x+28 is what type of an equation?
[0 -+infinity)
Y=x - identity function
Inconsitent
Postiive slope

42. Is the standard cubic function odd - even or neither?
Identity
The slope of a line containing two points
Odd
The first set of components of an ordered pair

43. What is a relation?
F(x)=suare root of x
Any set of ordered pairs
(-infinity - +infinity)
F(x+c) and f(x-c)

44. What is the domain for a standard quadratic function?
(-infinity - +infinity)
The slope of a line containing two points
The opposite coordinates
F(x+h)-f(x)/h h cannot equal zero

45. Which direction does f(x+c) move
Even
Horizontal left
Negative slope
A line passing through two distinct points

46. What are the calculator instructions for the cube root function?
As many as you like
1 -2 -3
Math 4 x - 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

47. What is the domain and range of a constant function?
(-infinity - +infinity)
Mirror image neg quadrant to that of the positive quandrant
F(x+c) and f(x-c)
X = the original sale price and the formula is x - .40x =$276

48. When is the only time (-infinity - +infinity) is not the domain?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
(-infinity - +infinity)
X = the original sale price and the formula is x - .40x =$276
In a quotient

49. Of the seven of algebra's common graph's how many are even?
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.
Y=10
Y= then enter the number then press graph
Absolute Value - Constant and Standard Quadratic

50. What type of line is a constant function?
Yes - all the domains points to one range
Perpendicular line
Horizontal
0<c<1 - horizontal stretching