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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. A flat line underlining one vertical line is a symbol for...
Postiive slope
Perpendicular line
F(x)=suare root of x
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

2. Two vertical lines side by side are a symbol for what
In a quotient
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.
Odd
Parraelle line

3. What is a range?
F(x)=IxI
The second set of components of an ordered pair
Identity
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

4. What is the slope of a perpendicular line?
Negative inverse
Only one
Change in y / change in x = rise / run = y2-y1 / x2-x1
(-infinity - +infinity)

5. What type of line is a constant function?
F(x) = x
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Horizontal
Neither

6. Is an absolute value function even - odd or neither?
Even
Undefined
45 degree angle
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

7. x=all real numbers is what type of an equation?
Identity
X^2
X2-x1 because the demonaitor of a quotient can never equal zero
2nd key - x^2 - graph

8. 4(x-7)=4x+28 is what type of an equation?
Parraelle line
45 degree angle
Inconsitent
F(x)=+c and f(x)-c

9. Of the seven of algebra's common graph's how many are odd?
Even
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
The minimum or maximum points
Three odd - cube root - identity - standard cubic

10. What type of function would you use to calculate the most advantageous cell phone plan?
Piecewise
Square Root
In a quotient
F(x)=x^3

11. What can never equal zero in the slope formula and why?
Square Root
X2-x1 because the demonaitor of a quotient can never equal zero
Any set of ordered pairs
As many as you like

12. What is the vertex?
Change in y / change in x = rise / run = y2-y1 / x2-x1
The secant line
The minimum or maximum points
X math 3 graph

13. What does the absolute value function look like?
Carefuly understand let x be one of the unknowns - write expressions for any other unknowns in terms of x - write an equation in x that models the verbal conditions of the problem - solve the equation - check solution in the original wording of the p
A V
Yes - all the domains points to one range
F(x^1)=f(x^2)

14. How do you graph Ax+By+C=0?
Set the x and y to zero and get the intercepts and then plot the points
(f+g) - (f-g) - (fg) - (f/g) all of x
(-infinity - +infinity)
Postiive slope

15. What is the range for the standard cubic function?
(-infinity - +infinity)
[0 -+infinity)
(f+g) - (f-g) - (fg) - (f/g) all of x
Horizontal

16. What is slope?
A line passing through two distinct points
Up
X2-x1 because the demonaitor of a quotient can never equal zero
Perpendicular line

17. y=f(cx) What does this formula represent?
Odd
Equation of a line
0<c<1 - horizontal stretching
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

18. What is a constant function?
Cannot be drawn in quizlet
F(x^1)=f(x^2)
Square Root
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

19. What is the letter used to represent slope?
Y=x^2 - graph
Line ascending to the right gradually
X=a
M

20. What is the average rate of change formula?
F(x2)-f(x1) / x2-x1
F(x)=3 square root x
Undefined slope
Any set of ordered pairs

21. What are the calculator instructions for the cube root function?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Horizontal right
Parraelle line
Math 4 x - graph

22. y=f(cx) - What does this formula represent?
C>1 - horizontal shrinking
Y= then enter the number then press graph
Y=10
Carefuly understand let x be one of the unknowns - write expressions for any other unknowns in terms of x - write an equation in x that models the verbal conditions of the problem - solve the equation - check solution in the original wording of the p

23. What is the formula for the square root function?
C>1 - horizontal shrinking
F(x)=suare root of x
Neither
Conditional

24. What is the letter used to represent slope?
M
Math 4 x - graph
Only one
X2-x1 because the demonaitor of a quotient can never equal zero

25. What is the domain and range of a constant function?
Any set of ordered pairs
Set the x and y to zero and get the intercepts and then plot the points
2nd catalog (zero key -) abs(x) - graph
(-infinity - +infinity)

26. Of the seven of algebra's common graph's how many are neither?
As many as you like
Square Root
Function notation
Yes - all the domains points to one range

27. What is the horizontal line formula?
F(x)=IxI
Y=b
Conditional
Math 4 x - graph

28. f(x) = x^2+3x+5 - what type of formula is this?
Y=x^2 - graph
Zero slope
Negative inverse
Function notation

29. What is the formula in both horizontal stretching and horizontal shrinking?
Y
2nd key - x^2 - graph
(-infinity - +infinity)
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

30. Of the seven of algebra's common graph's how many are odd?
(-infinity - +infinity)
0<c<1 - horizontal stretching
Cannot be drawn in quizlet
Three odd - cube root - identity - standard cubic

31. What is another way to write f(x)=x - what type of function is this?
Line ascending to the right gradually
Y=x - identity function
Even
Approach neg toward x through zero and above positive close to x

32. What equation does every line have? Discuss the variables.
Y=x^2 - graph
(-infinity - 0]you[0 - +infinity)
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.
No because you cannot have one domain pointing at two y's or ranges

33. What is the range for the standard cubic function?
Horizontal right
X=a
The minimum or maximum points
(-infinity - +infinity)

34. What is the formula for the cube root function?
F(x2)-f(x1) / x2-x1
(-infinity - 0]you[0 - +infinity)
Parabola - up one and right three
F(x)=3 square root x

35. Is the square root function odd - even or neither?
Neither
[0 -+infinity)
F(x)=+c and f(x)-c
2nd key - x^2 - graph

36. What is the formula for the square root function?
X math 3 graph
F(x)=suare root of x
Horizontal right
F(x+h)-f(x)/h h cannot equal zero

37. What is the domain of a square root function?
Neither
Postiive slope
(-infinity - 0]you[0 - +infinity)
[0 -+infinity)

38. What are the four steps for solving a linear equation?
2nd key - x^2 - graph
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.
F(x+c) and f(x-c)
Parraelle line

39. What are the algebra of functions?
F(x)=IxI
Y=x^2 - graph
Cannot be drawn in quizlet
(f+g) - (f-g) - (fg) - (f/g) all of x

40. What is a range?
A V
The second set of components of an ordered pair
Negative inverse
Any set of ordered pairs

41. What does linear equation mean?
Up
Equation of a line
Odd
Parabola - up one and right three

42. What type of slope do you have when a line falls left to right and m<0?
(-infinity - +infinity)
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=x^2 - graph
Negative slope

43. How many ranges can you have for each domain?
Down
(-infinity - +infinity)
Only one
X=a

44. What does the graph of the cube root function look like on the graph?
Yes because two x's or domains can point to one y
0<c<1 - horizontal stretching
Approach neg toward x through zero and above positive close to x
Horizontal

45. Is a standard quadratic function even - odd or neither?
Odd
Even
F(x)=+c and f(x)-c
Equation of a line

46. In an identity function if f(10)=x than What is y?
(-infinity - +infinity)
(-infinity - +infinity)
(-infinity - +infinity)
Y=10

47. Which direction does f(x+c) move
A V
[0 -+infinity)
Postiive slope
Horizontal left

48. What type of line is an identity function?
45 degree angle
As many as you like
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.
Because the demintor of a quotient can never equal zero

49. What is the domain for a standard quadratic function?
(-infinity - +infinity)
[0 -+infinity)
Any set of ordered pairs
Horizontal

50. How do you graph Ax+By+C=0?
F(x)=+c and f(x)-c
Set the x and y to zero and get the intercepts and then plot the points
Square Root
Absolute Value - Constant and Standard Quadratic