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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. Repair bill for a boat is $1 -603. $532 is for parts and it's $63 per hour for labor. How many hours does it take to fix the boat and What is x?
The opposite coordinates
X is the hours to repair the boat. $1603-532=anwser/63 = x
M
Inconsistant

2. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
Y=IxI
Even
0<c<1 - horizontal stretching
Yes - all the domains points to one range

3. x=no real numbers is what type of an equation?
Inconsistant
[0 -+infinity)
Perpendicular line
(f+g) - (f-g) - (fg) - (f/g) all of x

4. Of the seven of algebra's common graph's how many are neither?
Square Root
The minimum or maximum points
Odd
F(x)=suare root of x

5. What is the formula for the square root function?
45 degree angle
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
F(x)=suare root of x
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

6. What is the formula for to calculate the difference of a quotient function?
(-infinity - +infinity)
Identity
F(x+h)-f(x)/h h cannot equal zero
20+.05x=5+.10x x=minutes

7. What are the calculator instructions for a standard quadratic equation?
Y=x^2 - graph
Same
F(x2)-f(x1) / x2-x1
X math 3 graph

8. What is a range?
Perpendicular line
F(x) = x
The second set of components of an ordered pair
No because you cannot have one domain pointing at two y's or ranges

9. How do you calculate a constant function in your calculator?
X=a
Y= then enter the number then press graph
Any set of ordered pairs
(-infinity - +infinity)

10. What does the absolute value function look like?
A V
Odd
Up
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

11. Which direction does f(x+c) move
Because the demintor of a quotient can never equal zero
Horizontal left
F(x2)-f(x1) / x2-x1
F(x+h)-f(x)/h h cannot equal zero

12. How are functions normally written?
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
F(x)=3 square root x
(f+g) - (f-g) - (fg) - (f/g) all of x
As equations

13. In an identity function if f(10)=x than What is y?
0<c<1 - horizontal stretching
Y=10
The slope of a line containing two points
Parraelle line

14. 4(x-7)=4x+28 is what type of an equation?
Inconsistant
Inconsitent
45 degree angle
(-infinity - +infinity)

15. What is the average rate of change formula?
X is the hours to repair the boat. $1603-532=anwser/63 = x
F(x2)-f(x1) / x2-x1
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Line ascending to the right gradually

16. What is another way to write f(x)=x - what type of function is this?
F(x+h)-f(x)/h h cannot equal zero
Y=x - identity function
Identity
(-infinity - +infinity)

17. Is the standard cubic function odd - even or neither?
Odd
Neither
Even
Identity

18. Two vertical lines side by side are a symbol for what
Parraelle line
F(x)=suare root of x
Cannot be drawn in quizlet
X^2

19. Draw or discuss an increasing function
Parabola
(-infinity - +infinity)
Y
Cannot be drawn in quizlet

20. Which direction does f(x)=+c move in standard absolute value formula?
Yes because two x's or domains can point to one y
[0 -+infinity)
Inconsitent
Up

21. What is the slope of a perpendicular line?
Y
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Set the x and y to zero and get the intercepts and then plot the points
Negative inverse

22. What is the formula for an absolute value function?
F(x)=IxI
F(x)=+c and f(x)-c
F(x)=suare root of x
F(x)=3 square root x

23. What is an identity function?
Even
45 degree angle
Because the demintor of a quotient can never equal zero
In a quotient

24. Why can h not equal zero in the difference of a quotient function formula?
Because the demintor of a quotient can never equal zero
Cannot be drawn in quizlet
Yes - all the domains points to one range
(-infinity - +infinity)

25. What is another way to write f(x)=x - what type of function is this?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Piecewise
A line passing through two distinct points
Y=x - identity function

26. What is the domain of a square root function?
Cannot be drawn in quizlet
Set the x and y to zero and get the intercepts and then plot the points
Horizontal right
[0 -+infinity)

27. What is the formula for the cube root function?
F(x) = x
F(x)=3 square root x
Equation of a line
Inconsitent

28. What is the range of a square root function?
Postiive slope
F(x)=x^3
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
[0 -+infinity)

29. What is a relation?
Any set of ordered pairs
Y=x^2 - graph
(-infinity - +infinity)
Horizontal

30. What does the standard cubic function look like on a graph?
Mirror image neg quadrant to that of the positive quandrant
Up
(f+g) - (f-g) - (fg) - (f/g) all of x
F(x)=IxI

31. 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
[0 -+infinity)
The single number y=
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

32. A flat line underlining one vertical line is a symbol for...
A line passing through two distinct points
Y= then enter the number then press graph
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
Perpendicular line

33. When is the only time (-infinity - +infinity) is not the domain?
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
In a quotient
0<c<1 - horizontal stretching
C>1 - horizontal shrinking

34. What direction does f(x)-c move in standard absolute value formula?
Parabola - up one and right three
Down
The opposite coordinates
Horizontal

35. y=f(cx) What does this formula represent?
0<c<1 - horizontal stretching
F(x2)-f(x1) / x2-x1
The secant line
X=a

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

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37. What are the algebra of functions?
The second set of components of an ordered pair
C>1 - horizontal shrinking
Absolute Value - Constant and Standard Quadratic
(f+g) - (f-g) - (fg) - (f/g) all of x

38. What does the average rate of change formula solve?
F(x)=x^3
The slope of a line containing two points
Conditional
Piecewise

39. An American Football field is 200 feet longer than it's width. The perimeter is 1040. What are the dimensions?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
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
Equation of a line
Postiive slope

40. What shape is the standard quadratic function?
F(x)=+c and f(x)-c
The second set of components of an ordered pair
Parabola
(-infinity - +infinity)

41. What are two examples of composit functions?
Cannot be drawn in quizlet
(-infinity - 0]you[0 - +infinity)
X^2
F of g and g of f

42. What is the formula for an identity function?
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
Math 4 x - graph
F(x) = x
[0 -+infinity)

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?
F(x)=3 square root x
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
Horizontal left
A line passing through two distinct points

44. What is the letter used to represent slope?
Inconsitent
M
F of g and g of f
As many as you like

45. Draw or discuss a constant function
Cannot be drawn in quizlet
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Up
X^2

46. Is a constant function even - odd or neither?
Horizontal left
Even
(-infinity - +infinity)
Yes because two x's or domains can point to one y

47. What is the vertex?
Same
Math 4 x - graph
The minimum or maximum points
F(x)=x^3

48. What is the domain of an identity function?
(-infinity - +infinity)
X = the original sale price and the formula is x - .40x =$276
The opposite coordinates
A line passing through two distinct points

49. What are the calculator instructions for the standard cubic function?
Perpendicular line
Cannot be drawn in quizlet
(-infinity - 0]you[0 - +infinity)
X math 3 graph

50. What is slope?
2nd key - x^2 - graph
A line passing through two distinct points
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
45 degree angle

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College Algebra Test

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