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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 average rate of change formula?
Y=x^2 - graph
F(x)=x^3
45 degree angle
F(x2)-f(x1) / x2-x1

2. When is the only time (-infinity - +infinity) is not the domain?
Inconsistant
In a quotient
When does a graph not define y as a function of x?
X^2

3. What is the formula for the standard cubic function?
F(x)=3 square root x
The second set of components of an ordered pair
(-infinity - +infinity)
F(x)=x^3

4. Is the square root function odd - even or neither?
Neither
Any set of ordered pairs
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Inconsitent

5. Is an absolute value function even - odd or neither?
F(x)=3 square root x
Horizontal right
Parraelle line
Even

6. What can we substitute for f(x)?
Mirror image neg quadrant to that of the positive quandrant
Parabola
Y
(-infinity - +infinity)

7. How do you graph Ax+By+C=0?
Set the x and y to zero and get the intercepts and then plot the points
A line passing through two distinct points
Mirror image neg quadrant to that of the positive quandrant
Piecewise

8. What is the domain and range of a constant function?
(-infinity - +infinity)
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Absolute Value - Constant and Standard Quadratic
Equation of a line

9. Which direction does f(x)=+c move in standard absolute value formula?
Up
Identity
Inconsitent
(-infinity - +infinity)

10. What is the range for the standard cubic function?
Parraelle line
Y= then enter the number then press graph
(-infinity - 0]you[0 - +infinity)
(-infinity - +infinity)

11. What is the domain and range of a constant function?
(-infinity - +infinity)
Identity
C>1 - horizontal shrinking
Negative inverse

12. What are the steps for solving a word problem?
(-infinity - 0]you[0 - +infinity)
Same
Down
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

13. How are functions normally written?
(-infinity - +infinity)
Approach neg toward x through zero and above positive close to x
X^2
As equations

14. What is the range of the constant function?
Cannot be drawn in quizlet
Math 4 x - graph
The single number y=
M

15. f(x) = x^2+3x+5 - what type of formula is this?
0<c<1 - horizontal stretching
Parraelle line
Function notation
Change in y / change in x = rise / run = y2-y1 / x2-x1

16. Draw or discuss a decreasing function
Cannot be drawn in quizlet
Function notation
Conditional
When does a graph not define y as a function of x?

17. Is the standard cubic function odd - even or neither?
Piecewise
Function notation
The secant line
Odd

18. In an identity function if f(10)=x than What is y?
X math 3 graph
Absolute Value - Constant and Standard Quadratic
Y=10
F(x) = x

19. What are the four steps for finding the inverse of a function?
Y=x^2 - graph
(-infinity - +infinity)
Y=IxI
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse

20. What are the calculator instructions for a standard quadratic equation?
2nd key - x^2 - graph
0<c<1 - horizontal stretching
Zero slope
Y=x^2 - graph

21. How many ranges can you have for each domain?
The minimum or maximum points
Only one
(-infinity - 0]you[0 - +infinity)
Y=x - identity function

22. What does the average rate of change formula solve?
(-infinity - +infinity)
The slope of a line containing two points
Cannot be drawn in quizlet
Y= then enter the number then press graph

23. standard absolute value - horizontal shift formulas for left and right
Y=x - identity function
The second set of components of an ordered pair
F(x+c) and f(x-c)
Equation of a line

24. Outline the piece wise function and explain it? if the base plan is $20 and each minute over one hour is .40 cents?
(-infinity - 0]you[0 - +infinity)
2nd key - x^2 - graph
Y=x - identity function
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

25. 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.
Undefined slope
(-infinity - +infinity)
Inconsitent

26. What is the range for an absolute value function?
Same
F(x^1)=f(x^2)
(-infinity - +infinity)
(-infinity - 0]you[0 - +infinity)

27. What is the slope of a perpendicular line?
Negative inverse
Horizontal left
Even
Parabola

28. What is the domain of a square root function?
Horizontal left
F(x)=suare root of x
[0 -+infinity)
Y= then enter the number then press graph

29. What are two examples of composit functions?
F(x)=suare root of x
F of g and g of f
Down
Odd

30. Is an identity function even - odd or neither?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Odd
Approach neg toward x through zero and above positive close to x
Postiive slope

31. What are the calculator instructions for the cube root function?
Odd
The secant line
Equation of a line
Math 4 x - graph

32. Is an identity function even - odd or neither?
Odd
Perpendicular line
The secant line
F(x2)-f(x1) / x2-x1

33. What is the vertical line test?
Function notation
When does a graph not define y as a function of x?
F(x)=suare root of x
Same

34. y=f(cx) - What does this formula represent?
F(x)=x^3
C>1 - horizontal shrinking
Cannot be drawn in quizlet
X=a

35. y=f(cx) What does this formula represent?
The minimum or maximum points
(-infinity - 0]you[0 - +infinity)
0<c<1 - horizontal stretching
The first set of components of an ordered pair

36. Is the square root function odd - even or neither?
Cannot be drawn in quizlet
Down
Neither
Yes - all the domains points to one range

37. What type of line is a constant function?
F(x)=+c and f(x)-c
Horizontal
45 degree angle
Inconsitent

38. What is a range?
Even
Horizontal left
The second set of components of an ordered pair
F(x) = x

39. What type of line is an identity function?
Change in y / change in x = rise / run = y2-y1 / x2-x1
F(x+h)-f(x)/h h cannot equal zero
45 degree angle
Same

40. What is the formula for an absolute value function?
F(x)=IxI
Line ascending to the right gradually
45 degree angle
(-infinity - +infinity)

41. What can never equal zero in the slope formula and why?
As equations
2nd key - x^2 - graph
X=a
X2-x1 because the demonaitor of a quotient can never equal zero

42. When is the only time (-infinity - +infinity) is not the domain?
F(x)=x^3
In a quotient
Square Root
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

43. 4(x-7)=4x-28 is what type of an equation?
Negative inverse
20+.05x=5+.10x x=minutes
Identity
F(x)=x^3

44. f(x) = x^2+3x+5 - what type of formula is this?
Up
Function notation
Set the x and y to zero and get the intercepts and then plot the points
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

45. What is the letter used to represent slope?
Y=IxI
2nd catalog (zero key -) abs(x) - graph
Function notation
M

46. What type of function would you use to calculate the most advantageous cell phone plan?
Piecewise
Function notation
F(x2)-f(x1) / x2-x1
F(x)=IxI

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

48. What can we substitute for f(x)?
Y
(-infinity - +infinity)
Parraelle line
F(x)=suare root of x

49. An American Football field is 200 feet longer than it's width. The perimeter is 1040. What are the dimensions?
Horizontal
Line ascending to the right gradually
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

50. What are the calculator instructions for absolute value?
2nd catalog (zero key -) abs(x) - graph
F(x)=IxI
F(x)=IxI
Zero slope