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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 slope?
A line passing through two distinct points
Horizontal left
F(x+h)-f(x)/h h cannot equal zero
Conditional

2. A flat line underlining one vertical line is a symbol for...
Perpendicular line
Horizontal right
Odd
Mirror image neg quadrant to that of the positive quandrant

3. What are the calculator instructions for the cube root function?
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 degree angle
Even
Math 4 x - graph

4. How would this formula move f(x)=(x+1)^2-3
F(x)=3 square root x
Parabola - up one and right three
F(x)=x^3
20+.05x=5+.10x x=minutes

5. What is a relation?
(-infinity - 0]you[0 - +infinity)
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.
Any set of ordered pairs
Because the demintor of a quotient can never equal zero

6. What is the formula for the standard cubic function?
Horizontal
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
The secant line
F(x)=x^3

7. What are the calculator instructions for the cube root function?
Math 4 x - graph
Set the x and y to zero and get the intercepts and then plot the points
(-infinity - +infinity)
(f+g) - (f-g) - (fg) - (f/g) all of x

8. 4(x-7)=4x+28 is what type of an equation?
Inconsitent
F of g and g of f
Conditional
Horizontal

9. What is the range for an absolute value function?
(-infinity - 0]you[0 - +infinity)
Parabola - up one and right three
Undefined
[0 -+infinity)

10. Is an absolute value function even - odd or neither?
Even
Down
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Y=b

11. What is the formula for an identity function?
X=a
F(x) = x
Horizontal right
When does a graph not define y as a function of x?

12. What type of line is an identity function?
X is the hours to repair the boat. $1603-532=anwser/63 = x
Only one
F(x) = x
45 degree angle

13. What direction does f(x)-c move in standard absolute value formula?
Down
Undefined
Inconsistant
(-infinity - +infinity)

14. What type of slope do you have when a line rises from left to right and m>0?
As equations
Cannot be drawn in quizlet
Odd
Postiive slope

15. Is a constant function even - odd or neither?
Horizontal
Even
F of g and g of f
Cannot be drawn in quizlet

16. What is the range for a standard quadratic function?
Cannot be drawn in quizlet
1 -2 -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
(-infinity - 0]you[0 - +infinity)

17. What is the range of an identity function?
F(x^1)=f(x^2)
(-infinity - +infinity)
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
0<c<1 - horizontal stretching

18. What type of slope do you have when the line is horizontal and m=0?
4 -6 -9
Zero slope
F(x+c) and f(x-c)
Because the demintor of a quotient can never equal zero

19. What are the calculator instructions for absolute value?
Negative slope
In a quotient
Horizontal right
2nd catalog (zero key -) abs(x) - graph

20. standard absolute value - vertical shift formulas for positve and negative
F(x)=+c and f(x)-c
Cannot be drawn in quizlet
Parraelle line
A line passing through two distinct points

21. What type of slope do you have when a line falls left to right and m<0?
Negative slope
Horizontal
2nd catalog (zero key -) abs(x) - graph
Even

22. What is the line called that illustrates the straight line between the two points when showing average rate of change?
The secant line
(-infinity - +infinity)
A line passing through two distinct points
The second set of components of an ordered pair

23. Of the seven of algebra's common graph's how many are odd?
Three odd - cube root - identity - standard cubic
Line ascending to the right gradually
Odd
Set the x and y to zero and get the intercepts and then plot the points

24. What is the slope of a perpendicular line?
Negative inverse
Identity
Yes - all the domains points to one range
X = the original sale price and the formula is x - .40x =$276

25. What equation does every line have? Discuss the variables.
4 -6 -9
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.
Y=x - identity function
F(x)=x^3

26. Two vertical lines side by side are a symbol for what
X math 3 graph
(-infinity - +infinity)
Negative inverse
Parraelle line

27. What direction does f(x)-c move in standard absolute value formula?
A V
The opposite coordinates
Down
Identity

28. What type of slope do you have when m=? and the line is vertical?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Undefined slope
F(x+h)-f(x)/h h cannot equal zero
(-infinity - +infinity)

29. y=f(cx) - What does this formula represent?
C>1 - horizontal shrinking
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
F(x)=3 square root x
Change in y / change in x = rise / run = y2-y1 / x2-x1

30. 4(x-7)=4x+28 is what type of an equation?
F(x)=IxI
2nd key - x^2 - graph
Because the demintor of a quotient can never equal zero
Inconsitent

31. What are the algebra of functions?
Y
Undefined slope
(f+g) - (f-g) - (fg) - (f/g) all of x
20+.05x=5+.10x x=minutes

32. What is the range of the cube root function?
Only one
Yes because two x's or domains can point to one y
(-infinity - +infinity)
Equation of a line

33. What type of slope do you have when a line rises from left to right and m>0?
Postiive slope
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
Approach neg toward x through zero and above positive close to x

34. Why can h not equal zero in the difference of a quotient function formula?
Even
Y= then enter the number then press graph
No because you cannot have one domain pointing at two y's or ranges
Because the demintor of a quotient can never equal zero

35. What type of slope do horizontal lines have?
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.
Same
2nd key - x^2 - graph
The slope of a line containing two points

36. What is the formula for the cube root function?
Conditional
F(x)=3 square root x
Postiive slope
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

37. In an identity function if f(10)=x than What is y?
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
(-infinity - +infinity)
Y=10

38. What is slope?
As equations
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
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.

39. What is the formula for an absolute value function?
Line ascending to the right gradually
(-infinity - 0]you[0 - +infinity)
F(x)=IxI
F(x)=+c and f(x)-c

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

41. What is the horizontal line formula?
Approach neg toward x through zero and above positive close to x
Horizontal
Y=b
Mirror image neg quadrant to that of the positive quandrant

42. What type of line is a constant function?
X math 3 graph
Horizontal
The secant line
X = the original sale price and the formula is x - .40x =$276

43. Is an identity function even - odd or neither?
Neither
4 -6 -9
Odd
A line passing through two distinct points

44. What is the domain and range of a constant function?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
The single number y=
(-infinity - +infinity)
Yes because two x's or domains can point to one y

45. What points do you use to plot the inverse on a graph?
The opposite coordinates
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
F(x+h)-f(x)/h h cannot equal zero
Y=b

46. What is the range for the standard cubic function?
Yes - all the domains points to one range
F(x)=suare root of x
Identity
(-infinity - +infinity)

47. What is the domain for the standard cubic function?
(-infinity - +infinity)
C>1 - horizontal shrinking
X^2
Absolute Value - Constant and Standard Quadratic

48. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
1 -2 -3
[0 -+infinity)
0<c<1 - horizontal stretching
Inconsistant

49. What type of slope do you have when m=? and the line is vertical?
Inconsitent
Y=b
When does a graph not define y as a function of x?
Undefined slope

50. How do you graph Ax+By+C=0?
Parabola - up one and right three
Set the x and y to zero and get the intercepts and then plot the points
Horizontal left
Y=IxI