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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. Draw or discuss a decreasing function
As many as you like
Cannot be drawn in quizlet
X is the hours to repair the boat. $1603-532=anwser/63 = x
Y=x - identity function

2. What points do you use to plot the inverse on a graph?
Cannot be drawn in quizlet
The opposite coordinates
[0 -+infinity)
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

3. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
(-infinity - +infinity)
The minimum or maximum points
Horizontal
Yes - all the domains points to one range

4. Is an absolute value function even - odd or neither?
Any set of ordered pairs
Postiive slope
F(x)=+c and f(x)-c
Even

5. What is a constant function?
(-infinity - +infinity)
Horizontal
(-infinity - +infinity)
F(x^1)=f(x^2)

6. Of the seven of algebra's common graph's how many are odd?
X=a
F(x)=+c and f(x)-c
Three odd - cube root - identity - standard cubic
Math 4 x - graph

7. What are the calculator instructions for the standard cubic function?
Inconsistant
X math 3 graph
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
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

8. x=no real numbers is what type of an equation?
Negative inverse
20+.05x=5+.10x x=minutes
Inconsistant
Cannot be drawn in quizlet

9. What is the domain for a standard quadratic function?
(-infinity - +infinity)
Absolute Value - Constant and Standard Quadratic
20+.05x=5+.10x x=minutes
Set the x and y to zero and get the intercepts and then plot the points

10. What is a range?
[0 -+infinity)
Perpendicular line
The second set of components of an ordered pair
Zero slope

11. What does the graph of the cube root function look like on the graph?
(-infinity - +infinity)
Approach neg toward x through zero and above positive close to x
No because you cannot have one domain pointing at two y's or ranges
Even

12. standard absolute value - vertical shift formulas for positve and negative
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
Yes because two x's or domains can point to one y
Zero slope

13. What is the formula in both horizontal stretching and horizontal shrinking?
Undefined
Square Root
Neither
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

14. What are the calculator instructions for absolute value?
The single number y=
Change in y / change in x = rise / run = y2-y1 / x2-x1
2nd catalog (zero key -) abs(x) - graph
Even

15. What is the vertical line test?
(-infinity - 0]you[0 - +infinity)
(-infinity - +infinity)
Cannot be drawn in quizlet
When does a graph not define y as a function of x?

16. x= a real number is what type of equation?
Conditional
As equations
1 -2 -3
F(x+c) and f(x-c)

17. What type of slope do you have when a line rises from left to right and m>0?
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
Postiive slope
2nd catalog (zero key -) abs(x) - graph
The secant line

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

19. What is the domain of the cube root function?
(-infinity - +infinity)
Absolute Value - Constant and Standard Quadratic
Odd
X=a

20. What is the slope intercept formula? Define all the variables.
Undefined slope
Zero slope
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Square Root

21. Draw or discuss a decreasing function
4 -6 -9
Y=IxI
Cannot be drawn in quizlet
Down

22. What is the vertex?
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.
X2-x1 because the demonaitor of a quotient can never equal zero
The minimum or maximum points
X = the original sale price and the formula is x - .40x =$276

23. What does the graph of the cube root function look like on the graph?
Because the demintor of a quotient can never equal zero
(-infinity - +infinity)
F(x)=suare root of x
Approach neg toward x through zero and above positive close to x

24. In an identity function if f(10)=x than What is y?
Y=10
Horizontal right
45 degree angle
C>1 - horizontal shrinking

25. Of the seven of algebra's common graph's how many are even?
Absolute Value - Constant and Standard Quadratic
Yes because two x's or domains can point to one y
Line ascending to the right gradually
(-infinity - +infinity)

26. Outline the piece wise function and explain it? if the base plan is $20 and each minute over one hour is .40 cents?
Line ascending to the right gradually
F(x+c) and f(x-c)
4 -6 -9
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

27. What is the domain of an identity function?
F(x)=x^3
Three odd - cube root - identity - standard cubic
(-infinity - +infinity)
M

28. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
Even
4 -6 -9
(-infinity - +infinity)
F(x)=3 square root x

29. What is the line called that illustrates the straight line between the two points when showing average rate of change?
F(x)=x^3
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
X = the original sale price and the formula is x - .40x =$276
The secant line

30. What is the formula for the square root function?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
[0 -+infinity)
Identity
F(x)=suare root of x

31. What is the slope of a perpendicular line?
Negative inverse
F(x^1)=f(x^2)
Equation of a line
Negative slope

32. What is the formula for the cube root function?
F(x)=IxI
In a quotient
F(x)=3 square root x
2nd key - x^2 - graph

33. What is the formula for slope?
(-infinity - +infinity)
F(x)=IxI
Change in y / change in x = rise / run = y2-y1 / x2-x1
Odd

34. What is the standard quadratic function?
X^2
Piecewise
F(x)=3 square root x
(-infinity - +infinity)

35. Outline the piece wise function and explain it? if the base plan is $20 and each minute over one hour is .40 cents?
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
45 degree angle
F(x2)-f(x1) / x2-x1
45 degree angle

36. What is the standard quadratic function?
When does a graph not define y as a function of x?
Even
Piecewise
X^2

37. What is the range of the cube root function?
Inconsitent
(f+g) - (f-g) - (fg) - (f/g) all of x
(-infinity - +infinity)
M

38. x= a real number is what type of equation?
Even
The opposite coordinates
(-infinity - +infinity)
Conditional

39. What does the absolute value function look 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.
Approach neg toward x through zero and above positive close to x
F(x+h)-f(x)/h h cannot equal zero
A V

40. What is the point slope formula and when do you use it?
Horizontal
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
F(x)=3 square root x

41. What type of slope do you have when m=? and the line is vertical?
The first set of components of an ordered pair
F of g and g of f
(-infinity - +infinity)
Undefined slope

42. y=f(cx) - What does this formula represent?
Line ascending to the right gradually
Even
A V
C>1 - horizontal shrinking

43. $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?
Piecewise
X = the original sale price and the formula is x - .40x =$276
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
Postiive slope

44. What is a function?
The minimum or maximum points
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
A V
Up

45. What is an identity function?
X=a
(-infinity - +infinity)
45 degree angle
Odd

46. What is the vertex?
Odd
Line ascending to the right gradually
The minimum or maximum points
(-infinity - 0]you[0 - +infinity)

47. What type of slope do you have when m=? and the line is vertical?
Y=x^2 - graph
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
(-infinity - 0]you[0 - +infinity)
Undefined slope

48. What type of slope do you have when a line rises from left to right and m>0?
Perpendicular line
Same
1 -2 -3
Postiive slope

49. What type of line is a constant function?
Zero slope
Cannot be drawn in quizlet
Horizontal
Three odd - cube root - identity - standard cubic

50. What is the range of the constant function?
The single number y=
The second set of components of an ordered pair
Y=x - identity function
Conditional