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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 type of slope do you have when the line is horizontal and m=0?
Zero slope
A V
F(x^1)=f(x^2)
Horizontal

2. What is the domain for an absolute value function?
(-infinity - +infinity)
(f+g) - (f-g) - (fg) - (f/g) all of x
Negative inverse
Horizontal

3. What are the calculator instructions for the standard cubic function?
Y= then enter the number then press graph
X math 3 graph
Yes - all the domains points to one range
Conditional

4. What type of slope do you have when m=? and the line is vertical?
Negative slope
Undefined slope
Horizontal
Square Root

5. What is the formula for an identity function?
Conditional
When does a graph not define y as a function of x?
Undefined slope
F(x) = x

6. Draw or discuss an increasing 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
Cannot be drawn in quizlet
Line ascending to the right gradually
Same

7. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
F of g and g of f
Down
X = the original sale price and the formula is x - .40x =$276
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

8. What is the domain of an identity function?
(-infinity - +infinity)
Down
Parabola
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

9. What are the calculator instructions for the standard cubic function?
X math 3 graph
As equations
Undefined slope
F of g and g of f

10. What does the standard cubic function look like on a graph?
0<c<1 - horizontal stretching
20+.05x=5+.10x x=minutes
Yes because two x's or domains can point to one y
Mirror image neg quadrant to that of the positive quandrant

11. Is a constant function even - odd or neither?
Parabola - up one and right three
[0 -+infinity)
Even
F(x)=3 square root x

12. x=all real numbers is what type of an equation?
Down
Y=x - identity function
Identity
Down

13. Is a standard quadratic function even - odd or neither?
Cannot be drawn in quizlet
The first set of components of an ordered pair
Even
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

14. What is the vertical line formula?
X=a
Yes - all the domains points to one range
F(x)=+c and f(x)-c
A V

15. What is the range for the standard cubic function?
F(x) = x
(-infinity - +infinity)
F(x+h)-f(x)/h h cannot equal zero
Postiive slope

16. What is the line called that illustrates the straight line between the two points when showing average rate of change?
Zero slope
The secant line
Same
Horizontal right

17. x=no real numbers is what type of an equation?
Inconsistant
The minimum or maximum points
Odd
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

18. What equation does every line have? Discuss the variables.
M
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.
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

19. What is the domain for an absolute value function?
(-infinity - +infinity)
The second set of components of an ordered pair
Yes because two x's or domains can point to one y
45 degree angle

20. What is slope?
A line passing through two distinct points
Because the demintor of a quotient can never equal zero
(-infinity - +infinity)
A V

21. What are two examples of composit functions?
A V
F(x^1)=f(x^2)
0<c<1 - horizontal stretching
F of g and g of f

22. What direction does f(x)-c move in standard absolute value formula?
X^2
F(x)=suare root of x
F(x+h)-f(x)/h h cannot equal zero
Down

23. What does the absolute value function look like?
Zero slope
M
A V
Three odd - cube root - identity - standard cubic

24. What does the square root function look like on a graph?
Line ascending to the right gradually
Function notation
Negative slope
Negative inverse

25. What are the calculator instructions for absolute value?
The opposite coordinates
2nd key - x^2 - graph
2nd catalog (zero key -) abs(x) - graph
Y=x^2 - graph

26. How do you calculate a constant function in your calculator?
F of g and g of f
F(x^1)=f(x^2)
Parabola
Y= then enter the number then press graph

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

28. What is the domain for the standard cubic function?
When does a graph not define y as a function of x?
(-infinity - +infinity)
The slope of a line containing two points
Math 4 x - graph

29. What is the range for the standard cubic function?
M
The second set of components of an ordered pair
(-infinity - +infinity)
F(x)=IxI

30. Which direction does f(x-c) move
F(x)=+c and f(x)-c
When does a graph not define y as a function of x?
Mirror image neg quadrant to that of the positive quandrant
Horizontal right

31. What are the calculator instructions for absolute value?
2nd catalog (zero key -) abs(x) - graph
(-infinity - +infinity)
F(x) = x
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

32. What is an identity function?
45 degree angle
Cannot be drawn in quizlet
Any set of ordered pairs
F(x) = x

33. Is a constant function even - odd or neither?
Postiive slope
Yes because two x's or domains can point to one y
Y
Even

34. What is the average rate of change formula?
Y=x - identity function
Neither
F(x2)-f(x1) / x2-x1
Parraelle line

35. What are the four steps for finding the inverse of a function?
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
(f+g) - (f-g) - (fg) - (f/g) all of x
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
Undefined

36. What is a constant function?
C>1 - horizontal shrinking
F(x) = x
M
F(x^1)=f(x^2)

37. Which direction does f(x-c) move
Parabola - up one and right three
Horizontal right
Even
Up

38. 4x+5x=8x is what type of an equation?
Conditional
(-infinity - +infinity)
Zero slope
Piecewise

39. What does linear equation mean?
F(x) = x
20+.05x=5+.10x x=minutes
Equation of a line
F(x)=suare root of x

40. What is a range?
Yes because two x's or domains can point to one y
Odd
The second set of components of an ordered pair
(-infinity - +infinity)

41. Is the square root function odd - even or neither?
Conditional
(-infinity - +infinity)
Neither
Postiive slope

42. What is another way of writing the absolute value function?
(-infinity - +infinity)
1 -2 -3
Y=IxI
Horizontal right

43. What does the square root function look like on a graph?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Y=IxI
Mirror image neg quadrant to that of the positive quandrant
Line ascending to the right gradually

44. x= a real number is what type of equation?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
No because you cannot have one domain pointing at two y's or ranges
Conditional

45. What is the point slope formula and when do you use it?
(-infinity - +infinity)
Y=x^2 - graph
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
(-infinity - +infinity)

46. 4(x-7)=4x-28 is what type of an equation?
Undefined
Identity
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.
Y= then enter the number then press graph

47. What is the slope intercept formula? Define all the variables.
(-infinity - +infinity)
As equations
As many as you like
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

48. Of the seven of algebra's common graph's how many are even?
Absolute Value - Constant and Standard Quadratic
(-infinity - +infinity)
Cannot be drawn in quizlet
The opposite coordinates

49. Two vertical lines side by side are a symbol for what
Parraelle line
Square Root
Cannot be drawn in quizlet
Cannot be drawn in quizlet

50. x=all real numbers is what type of an equation?
Undefined
Identity
Line ascending to the right gradually
Square Root