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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 horizontal line formula?
(-infinity - +infinity)
Inconsistant
Odd
Y=b

2. How do you calculate a constant function in your calculator?
Y= then enter the number then press graph
Negative inverse
(-infinity - +infinity)
(f+g) - (f-g) - (fg) - (f/g) all of x

3. standard absolute value - horizontal shift formulas for left and right
Y=b
F(x+c) and f(x-c)
Y=IxI
Mirror image neg quadrant to that of the positive quandrant

4. Draw or discuss a constant function
The slope of a line containing two points
The minimum or maximum points
As many as you like
Cannot be drawn in quizlet

5. Two vertical lines side by side are a symbol for what
Conditional
As equations
Parraelle line
Negative inverse

6. What does the standard cubic function look like on a graph?
(-infinity - +infinity)
Mirror image neg quadrant to that of the positive quandrant
Y= then enter the number then press graph
Cannot be drawn in quizlet

7. What is a domain?
Mirror image neg quadrant to that of the positive quandrant
(-infinity - 0]you[0 - +infinity)
Approach neg toward x through zero and above positive close to x
The first set of components of an ordered pair

8. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Change in y / change in x = rise / run = y2-y1 / x2-x1
The second set of components of an ordered pair
1 -2 -3

9. How do you graph Ax+By+C=0?
Three odd - cube root - identity - standard cubic
Neither
Set the x and y to zero and get the intercepts and then plot the points
Function notation

10. What is the formula for the cube root function?
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.
Odd
Identity
F(x)=3 square root x

11. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
Yes - all the domains points to one range
Down
The slope of a line containing two points
The minimum or maximum points

12. What are the calculator instructions for absolute value?
Cannot be drawn in quizlet
Parraelle line
2nd catalog (zero key -) abs(x) - graph
Y=x - identity function

13. Which direction does f(x-c) move
Only one
Horizontal right
Set the x and y to zero and get the intercepts and then plot the points
45 degree angle

14. What are two examples of composit functions?
Y=x^2 - graph
(-infinity - 0]you[0 - +infinity)
F of g and g of f
2nd key - x^2 - graph

15. How many domains can you have pointing to one range?
(-infinity - +infinity)
Line ascending to the right gradually
Any set of ordered pairs
As many as you like

16. 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
Cannot be drawn in quizlet
The opposite coordinates
Parabola

17. What are the four steps for solving a linear equation?
Undefined
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.
A V
M

18. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
Inconsistant
X = the original sale price and the formula is x - .40x =$276
C>1 - horizontal shrinking
F(x+h)-f(x)/h h cannot equal zero

19. A flat line underlining one vertical line is a symbol for...
Perpendicular line
X is the hours to repair the boat. $1603-532=anwser/63 = x
(-infinity - +infinity)
Odd

20. Which direction does f(x)=+c move in standard absolute value formula?
X math 3 graph
Identity
F(x^1)=f(x^2)
Up

21. What is the domain of an identity function?
The opposite coordinates
(-infinity - +infinity)
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.
Square Root

22. What is the slope of a perpendicular line?
Negative inverse
Y=b
Horizontal right
The minimum or maximum points

23. Is an identity function even - odd or neither?
Yes because two x's or domains can point to one y
Odd
Equation of a line
The secant line

24. Draw or discuss an increasing function
F(x^1)=f(x^2)
Because the demintor of a quotient can never equal zero
Cannot be drawn in quizlet
1 -2 -3

25. What is the domain for an absolute value function?
Equation of a line
Y=10
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
(-infinity - +infinity)

26. x= a real number is what type of equation?
Equation of a line
Same
Conditional
Three odd - cube root - identity - standard cubic

27. What type of function would you use to calculate the most advantageous cell phone plan?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Y=b
Piecewise
F(x)=x^3

28. What are the four steps for solving a linear equation?
X math 3 graph
Y
The single number y=
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.

29. What are the algebra of functions?
Equation of a line
(f+g) - (f-g) - (fg) - (f/g) all of x
Function notation
A V

30. What is the formula for the square root function?
Postiive slope
No because you cannot have one domain pointing at two y's or ranges
(-infinity - +infinity)
F(x)=suare root of x

31. What does the absolute value function look like?
X = the original sale price and the formula is x - .40x =$276
A V
(-infinity - +infinity)
Change in y / change in x = rise / run = y2-y1 / x2-x1

32. What are the calculator instructions for absolute value?
Horizontal
Mirror image neg quadrant to that of the positive quandrant
2nd catalog (zero key -) abs(x) - graph
Conditional

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

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34. f(x) = x^2+3x+5 - what type of formula is this?
4 -6 -9
Conditional
Function notation
M

35. What are two examples of composit functions?
F(x)=+c and f(x)-c
Horizontal right
F of g and g of f
The second set of components of an ordered pair

36. What is the formula in both horizontal stretching and horizontal shrinking?
The minimum or maximum points
[0 -+infinity)
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
Negative slope

37. What is the domain of a square root function?
Even
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)
As equations

38. What type of slope do horizontal lines have?
Piecewise
Parabola
Same
Mirror image neg quadrant to that of the positive quandrant

39. Of the seven of algebra's common graph's how many are odd?
Three odd - cube root - identity - standard cubic
No because you cannot have one domain pointing at two y's or ranges
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
The first set of components of an ordered pair

40. What is the formula for an identity function?
Undefined
Cannot be drawn in quizlet
F(x) = x
C>1 - horizontal shrinking

41. What is the average rate of change formula?
The first set of components of an ordered pair
F(x2)-f(x1) / x2-x1
Yes because two x's or domains can point to one y
Inconsitent

42. What does the average rate of change formula solve?
The slope of a line containing two points
The second set of components of an ordered pair
Yes - all the domains points to one range
(-infinity - +infinity)

43. What is the domain of the cube root function?
(-infinity - +infinity)
F(x)=3 square root x
When does a graph not define y as a function of x?
M

44. What are the four steps for finding the inverse of a function?
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
F(x)=3 square root x
F(x2)-f(x1) / x2-x1
Horizontal right

45. Which direction does f(x+c) move
0<c<1 - horizontal stretching
Horizontal left
Y=10
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

46. Is a constant function even - odd or neither?
Inconsitent
Even
The minimum or maximum points
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse

47. What is the formula for the standard cubic function?
F(x)=x^3
1 -2 -3
X = the original sale price and the formula is x - .40x =$276
X math 3 graph

48. What is slope?
F of g and g of f
45 degree angle
Negative inverse
A line passing through two distinct points

49. Draw or discuss an increasing function
Only one
Perpendicular line
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

50. x=all real numbers is what type of an equation?
Yes because two x's or domains can point to one y
Neither
Identity
X2-x1 because the demonaitor of a quotient can never equal zero