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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 square root function?
Neither
[0 -+infinity)
Negative slope
F(x)=suare root of x

2. Which direction does f(x-c) move
The second set of components of an ordered pair
Even
(-infinity - 0]you[0 - +infinity)
Horizontal right

3. How many domains can you have pointing to one range?
Even
Horizontal right
(-infinity - +infinity)
As many as you like

4. What are the calculator instructions for absolute value?
The single number y=
Mirror image neg quadrant to that of the positive quandrant
Up
2nd catalog (zero key -) abs(x) - graph

5. What is slope?
X = the original sale price and the formula is x - .40x =$276
(-infinity - +infinity)
(-infinity - +infinity)
A line passing through two distinct points

6. What does the absolute value function look like?
A V
Undefined
45 degree angle
Negative slope

7. Of the seven of algebra's common graph's how many are even?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
X = the original sale price and the formula is x - .40x =$276
Absolute Value - Constant and Standard Quadratic
F(x+h)-f(x)/h h cannot equal zero

8. Of the seven of algebra's common graph's how many are even?
Absolute Value - Constant and Standard Quadratic
F(x)=3 square root x
Inconsistant
45 degree angle

9. x=all real numbers is what type of an equation?
Because the demintor of a quotient can never equal zero
2nd key - x^2 - graph
Identity
(-infinity - +infinity)

10. What are the four steps for solving a linear equation?
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.
X2-x1 because the demonaitor of a quotient can never equal zero
Y=b
Perpendicular line

11. Draw or discuss a constant function
Even
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
45 degree angle
Cannot be drawn in quizlet

12. What is the range of the cube root function?
Y
(-infinity - +infinity)
45 degree angle
Set the x and y to zero and get the intercepts and then plot the points

13. What are the calculator instructions for the standard cubic function?
Cannot be drawn in quizlet
(-infinity - +infinity)
X math 3 graph
(-infinity - +infinity)

14. What is the domain for the standard cubic function?
Y=b
(-infinity - +infinity)
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
45 degree angle

15. An American Football field is 200 feet longer than it's width. The perimeter is 1040. What are the dimensions?
1 -2 -3
Cannot be drawn in quizlet
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
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

16. How do you calculate a constant function in your calculator?
The first set of components of an ordered pair
Down
Y= then enter the number then press graph
[0 -+infinity)

17. What are the calculator instructions for the cube root function?
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.
Horizontal
Same
Math 4 x - graph

18. Is an identity function even - odd or neither?
As many as you like
Odd
X = the original sale price and the formula is x - .40x =$276
Change in y / change in x = rise / run = y2-y1 / x2-x1

19. What type of function would you use to calculate the most advantageous cell phone plan?
Horizontal right
2nd catalog (zero key -) abs(x) - graph
Piecewise
Absolute Value - Constant and Standard Quadratic

20. What is the formula for slope?
F(x+c) and f(x-c)
Parabola
Change in y / change in x = rise / run = y2-y1 / x2-x1
Three odd - cube root - identity - standard cubic

21. What are the steps for solving a word problem?
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
Same
(-infinity - +infinity)
Three odd - cube root - identity - standard cubic

22. How do you calculate a constant function in your calculator?
Change in y / change in x = rise / run = y2-y1 / x2-x1
Y= then enter the number then press graph
45 degree angle
Piecewise

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

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24. What is the vertical line formula?
Undefined
X=a
Yes - all the domains points to one range
F(x)=x^3

25. standard absolute value - vertical shift formulas for positve and negative
Math 4 x - graph
Conditional
F(x)=+c and f(x)-c
Cannot be drawn in quizlet

26. How do you graph Ax+By+C=0?
(-infinity - +infinity)
Even
Equation of a line
Set the x and y to zero and get the intercepts and then plot the points

27. What is the formula for the cube root function?
F(x)=3 square root x
Function notation
2nd catalog (zero key -) abs(x) - graph
Yes because two x's or domains can point to one y

28. What shape is the standard quadratic function?
F(x2)-f(x1) / x2-x1
F(x)=x^3
Equation of a line
Parabola

29. What does the standard cubic function look like on a graph?
Perpendicular line
Mirror image neg quadrant to that of the positive quandrant
(-infinity - +infinity)
F(x) = x

30. What direction does f(x)-c move in standard absolute value formula?
Down
Parraelle line
X^2
A line passing through two distinct points

31. Is an absolute value function even - odd or neither?
4 -6 -9
Even
Y= then enter the number then press graph
Three odd - cube root - identity - standard cubic

32. What does linear equation mean?
Because the demintor of a quotient can never equal zero
Equation of a line
Inconsistant
Parabola - up one and right three

33. What are two examples of composit functions?
0<c<1 - horizontal stretching
Perpendicular line
Yes because two x's or domains can point to one y
F of g and g of f

34. What is the formula for the standard cubic function?
Piecewise
F(x)=x^3
M
Odd

35. x= a real number is what type of equation?
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
F of g and g of f
Perpendicular line
Conditional

36. Of the seven of algebra's common graph's how many are odd?
Three odd - cube root - identity - standard cubic
Conditional
Y= then enter the number then press graph
(-infinity - +infinity)

37. What is a domain?
Up
2nd catalog (zero key -) abs(x) - graph
Zero slope
The first set of components of an ordered pair

38. Which direction does f(x)=+c move in standard absolute value formula?
Up
Parabola - up one and right three
Mirror image neg quadrant to that of the positive quandrant
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

39. y=f(cx) - What does this formula represent?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
C>1 - horizontal shrinking
As many as you like
F(x+c) and f(x-c)

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

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41. What type of slope do you have when m=? and the line is vertical?
Undefined slope
Undefined
(-infinity - +infinity)
F(x)=3 square root x

42. What does the graph of the cube root function look like on the graph?
Approach neg toward x through zero and above positive close to x
Square Root
The single number y=
2nd key - x^2 - graph

43. What are two examples of composit functions?
Undefined
45 degree angle
F of g and g of f
(-infinity - +infinity)

44. What is an identity function?
45 degree angle
F(x) = x
F(x)=+c and f(x)-c
Any set of ordered pairs

45. What is the range of the constant function?
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
The single number y=
X = the original sale price and the formula is x - .40x =$276
F(x2)-f(x1) / x2-x1

46. What is the formula for the cube root function?
Odd
Absolute Value - Constant and Standard Quadratic
F(x)=3 square root x
Only one

47. What is a function?
F(x+h)-f(x)/h h cannot equal zero
Piecewise
Negative inverse
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

48. What is the formula for an absolute value function?
(-infinity - +infinity)
In a quotient
X=a
F(x)=IxI

49. What type of slope do horizontal lines have?
Same
When does a graph not define y as a function of x?
The second set of components of an ordered pair
In a quotient

50. standard absolute value - horizontal shift formulas for left and right
When does a graph not define y as a function of x?
(-infinity - 0]you[0 - +infinity)
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+c) and f(x-c)