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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 formula for the standard cubic function?
F(x)=x^3
Inconsistant
(-infinity - +infinity)
Y=x - identity function

2. How do you graph Ax+By+C=0?
Three odd - cube root - identity - standard cubic
Y= then enter the number then press graph
M
Set the x and y to zero and get the intercepts and then plot the points

3. Is an absolute value function even - odd or neither?
Even
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Negative slope
Y=b

4. Of the seven of algebra's common graph's how many are odd?
Horizontal
4 -6 -9
Three odd - cube root - identity - standard cubic
Mirror image neg quadrant to that of the positive quandrant

5. What can we substitute for f(x)?
Y
0<c<1 - horizontal stretching
Horizontal right
Yes because two x's or domains can point to one y

6. Is a standard quadratic function even - odd or neither?
Even
Three odd - cube root - identity - standard cubic
The secant line
In a quotient

7. What is the range for an absolute value function?
(-infinity - 0]you[0 - +infinity)
The minimum or maximum points
Odd
Even

8. What is an identity function?
Even
(-infinity - +infinity)
Horizontal right
45 degree angle

9. What are the calculator instructions for a standard quadratic equation?
When does a graph not define y as a function of x?
(-infinity - +infinity)
(-infinity - +infinity)
Y=x^2 - graph

10. What direction does f(x)-c move in standard absolute value formula?
Cannot be drawn in quizlet
X is the hours to repair the boat. $1603-532=anwser/63 = x
Down
20+.05x=5+.10x x=minutes

11. What is the domain and range of a constant function?
Negative slope
Parabola
(-infinity - +infinity)
[0 -+infinity)

12. x= a real number is what type of equation?
Odd
Even
Conditional
Postiive slope

13. What equation does every line have? Discuss the variables.
Change in y / change in x = rise / run = y2-y1 / x2-x1
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.
Postiive slope
Negative slope

14. What is the domain of a square root function?
F(x2)-f(x1) / x2-x1
Horizontal
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
[0 -+infinity)

15. What is the formula for an identity function?
F of g and g of f
(-infinity - 0]you[0 - +infinity)
F(x) = x
X is the hours to repair the boat. $1603-532=anwser/63 = x

16. What is the range of a square root function?
[0 -+infinity)
(-infinity - +infinity)
X is the hours to repair the boat. $1603-532=anwser/63 = x
(-infinity - +infinity)

17. What type of slope do vertical lines have?
The secant line
Undefined
Even
Change in y / change in x = rise / run = y2-y1 / x2-x1

18. What is the range of the constant function?
Piecewise
The single number y=
X is the hours to repair the boat. $1603-532=anwser/63 = x
[0 -+infinity)

19. What is the vertical line formula?
The opposite coordinates
X=a
Approach neg toward x through zero and above positive close to x
Even

20. What is the domain for an absolute value function?
The second set of components of an ordered pair
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
(-infinity - +infinity)

21. What is the domain for a standard quadratic function?
Horizontal
Only one
Cannot be drawn in quizlet
(-infinity - +infinity)

22. Draw or discuss an increasing function
Cannot be drawn in quizlet
Y= then enter the number then press graph
F(x)=IxI
Identity

23. What is the vertical line test?
When does a graph not define y as a function of x?
0<c<1 - horizontal stretching
The secant line
Yes because two x's or domains can point to one y

24. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
[0 -+infinity)
Yes - all the domains points to one range
No because you cannot have one domain pointing at two y's or ranges
(-infinity - +infinity)

25. 4x+5x=8x is what type of an equation?
Even
Conditional
Even
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

26. What does the absolute value function look like?
The second set of components of an ordered pair
[0 -+infinity)
Horizontal
A V

27. What does the square root function look like on a graph?
X2-x1 because the demonaitor of a quotient can never equal zero
X^2
Line ascending to the right gradually
F(x^1)=f(x^2)

28. standard absolute value - vertical shift formulas for positve and negative
F(x)=+c and f(x)-c
F of g and g of f
Identity
As many as you like

29. Is an identity function even - odd or neither?
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
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) = x
Odd

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

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31. What is the slope intercept formula? Define all the variables.
Same
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
A V
Parraelle line

32. What are the algebra of functions?
(-infinity - 0]you[0 - +infinity)
Even
45 degree angle
(f+g) - (f-g) - (fg) - (f/g) all of x

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

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34. What type of line is an identity function?
Approach neg toward x through zero and above positive close to x
Y=x - identity function
45 degree angle
F(x+c) and f(x-c)

35. f(x) = x^2+3x+5 - what type of formula is this?
Function notation
Identity
M
The minimum or maximum points

36. What are the calculator instructions for the cube root function?
F(x) = x
Mirror image neg quadrant to that of the positive quandrant
Math 4 x - graph
Change in y / change in x = rise / run = y2-y1 / x2-x1

37. What is the vertical line formula?
X=a
X = the original sale price and the formula is x - .40x =$276
Cannot be drawn in quizlet
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

38. What type of slope do horizontal lines have?
Any set of ordered pairs
Yes - all the domains points to one range
Same
Y=IxI

39. Is the square root function odd - even or neither?
45 degree angle
(-infinity - 0]you[0 - +infinity)
Neither
20+.05x=5+.10x x=minutes

40. What is the average rate of change formula?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
The minimum or maximum points
Even
F(x2)-f(x1) / x2-x1

41. In an identity function if f(10)=x than What is y?
Conditional
Y=10
2nd catalog (zero key -) abs(x) - graph
Function notation

42. What is the slope intercept formula? Define all the variables.
Identity
Up
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
The second set of components of an ordered pair

43. What is the formula for an 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
X=a
Cannot be drawn in quizlet
F(x) = x

44. What type of slope do vertical lines have?
Undefined
Math 4 x - graph
4 -6 -9
Odd

45. What type of slope do you have when a line falls left to right and m<0?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Cannot be drawn in quizlet
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Negative slope

46. What are the calculator instructions for a square root function?
2nd key - x^2 - graph
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Because the demintor of a quotient can never equal zero
Undefined

47. Is a standard quadratic function even - odd or neither?
(-infinity - +infinity)
Even
Y= then enter the number then press graph
The secant line

48. In an identity function if f(10)=x than What is y?
Y=10
Cannot be drawn in quizlet
F(x)=3 square root x
45 degree angle

49. What is the domain of the cube root function?
2nd catalog (zero key -) abs(x) - graph
Even
(-infinity - +infinity)
Absolute Value - Constant and Standard Quadratic

50. What does the average rate of change formula solve?
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
Identity
Down
The slope of a line containing two points