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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 standard cubic function?
Odd
Absolute Value - Constant and Standard Quadratic
A V
F(x)=x^3

2. x=no real numbers is what type of an equation?
(-infinity - +infinity)
Y=IxI
(-infinity - +infinity)
Inconsistant

3. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
Cannot be drawn in quizlet
Negative inverse
C>1 - horizontal shrinking
Yes - all the domains points to one range

4. Is an identity function even - odd or neither?
(-infinity - +infinity)
Odd
1 -2 -3
The first set of components of an ordered pair

5. A. $20 +.05 per min B. $5 +.10 per min - What is x and how do you set up the formula?
45 degree angle
Neither
20+.05x=5+.10x x=minutes
A V

6. What is the range of the constant function?
Negative slope
Even
F(x)=x^3
The single number y=

7. What is the formula for an identity function?
F(x) = x
Absolute Value - Constant and Standard Quadratic
Conditional
Same

8. What type of slope do you have when a line falls left to right and m<0?
X^2
As many as you like
Negative slope
Y=IxI

9. What can never equal zero in the slope formula and why?
A V
Inconsistant
X2-x1 because the demonaitor of a quotient can never equal zero
Y=b

10. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
No because you cannot have one domain pointing at two y's or ranges
4 -6 -9
Identity
2nd catalog (zero key -) abs(x) - graph

11. What type of slope do horizontal lines have?
0<c<1 - horizontal stretching
The secant line
Undefined slope
Same

12. What is the vertex?
(-infinity - +infinity)
Zero slope
The minimum or maximum points
Line ascending to the right gradually

13. What are the calculator instructions for a square root function?
Approach neg toward x through zero and above positive close to x
Equation of a line
2nd key - x^2 - graph
F(x^1)=f(x^2)

14. A. $20 +.05 per min B. $5 +.10 per min - What is x and how do you set up the formula?
F(x+h)-f(x)/h h cannot equal zero
20+.05x=5+.10x x=minutes
(-infinity - +infinity)
Any set of ordered pairs

15. x=no real numbers is what type of an equation?
F(x+c) and f(x-c)
Inconsistant
Set the x and y to zero and get the intercepts and then plot the points
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

16. What type of line is a constant function?
The secant line
Horizontal
(-infinity - +infinity)
The second set of components of an ordered pair

17. What is a function?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
(-infinity - 0]you[0 - +infinity)

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

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19. How many ranges can you have for each domain?
Conditional
Only one
Parabola - up one and right three
Y=10

20. 4x+5x=8x is what type of an equation?
Conditional
(-infinity - 0]you[0 - +infinity)
No because you cannot have one domain pointing at two y's or ranges
Odd

21. Draw or discuss a decreasing function
When does a graph not define y as a function of x?
Cannot be drawn in quizlet
X = the original sale price and the formula is x - .40x =$276
X=a

22. Why can h not equal zero in the difference of a quotient function formula?
Because the demintor of a quotient can never equal zero
2nd key - x^2 - graph
(-infinity - +infinity)
Odd

23. 4(x-7)=4x-28 is what type of an equation?
Y=10
Horizontal left
Identity
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

24. x=all real numbers is what type of an equation?
Identity
[0 -+infinity)
45 degree angle
Odd

25. What is a domain?
Parraelle line
Negative slope
The first set of components of an ordered pair
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

26. What are the algebra of functions?
Down
As equations
The second set of components of an ordered pair
(f+g) - (f-g) - (fg) - (f/g) all of x

27. Draw or discuss an increasing function
Cannot be drawn in quizlet
Yes - all the domains points to one range
Down
F(x)=+c and f(x)-c

28. Of the seven of algebra's common graph's how many are odd?
Three odd - cube root - identity - standard cubic
Because the demintor of a quotient can never equal zero
C>1 - horizontal shrinking
F(x+c) and f(x-c)

29. What is another way of writing the absolute value function?
Y= then enter the number then press graph
Square Root
Neither
Y=IxI

30. What is the vertical line formula?
Down
Line ascending to the right gradually
X=a
2nd key - x^2 - graph

31. x= a real number is what type of equation?
Conditional
X=a
The minimum or maximum points
F of g and g of f

32. When is the only time (-infinity - +infinity) is not the domain?
In a quotient
Inconsistant
(-infinity - +infinity)
Cannot be drawn in quizlet

33. What is a domain?
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.
The first set of components of an ordered pair
Absolute Value - Constant and Standard Quadratic
Cannot be drawn in quizlet

34. What is the formula for the standard cubic function?
Horizontal
Approach neg toward x through zero and above positive close to x
Cannot be drawn in quizlet
F(x)=x^3

35. What is the range of the constant function?
Even
1 -2 -3
Same
The single number y=

36. What is the domain for a standard quadratic function?
F(x+c) and f(x-c)
(-infinity - +infinity)
Y=x - identity function
(-infinity - 0]you[0 - +infinity)

37. How would this formula move f(x)=(x+1)^2-3
Parabola - up one and right three
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
Cannot be drawn in quizlet
The single number y=

38. What shape is the standard quadratic function?
Three odd - cube root - identity - standard cubic
Parabola
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
Y=IxI

39. What type of line is an identity function?
(-infinity - +infinity)
Y=10
Absolute Value - Constant and Standard Quadratic
45 degree angle

40. How do you calculate a constant function in your calculator?
Parabola - up one and right three
Y= then enter the number then press graph
F(x)=+c and f(x)-c
Conditional

41. What is the range for an absolute value function?
2nd catalog (zero key -) abs(x) - graph
X math 3 graph
F(x)=+c and f(x)-c
(-infinity - 0]you[0 - +infinity)

42. What type of slope do horizontal lines have?
Same
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
As many as you like
(-infinity - +infinity)

43. How do you graph Ax+By+C=0?
Parraelle line
Yes - all the domains points to one range
Set the x and y to zero and get the intercepts and then plot the points
(-infinity - +infinity)

44. Is an absolute value function even - odd or neither?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Even
F(x2)-f(x1) / x2-x1
Approach neg toward x through zero and above positive close to x

45. What points do you use to plot the inverse on a graph?
(-infinity - 0]you[0 - +infinity)
The opposite coordinates
Y= then enter the number then press graph
The single number y=

46. What is another way of writing the absolute value function?
Conditional
Yes because two x's or domains can point to one y
Y=IxI
Cannot be drawn in quizlet

47. What are two examples of composit functions?
Odd
Y=b
F of g and g of f
(-infinity - +infinity)

48. What type of line is a constant function?
Y= then enter the number then press graph
The single number y=
Horizontal
X math 3 graph

49. Two vertical lines side by side are a symbol for what
As many as you like
Neither
Parabola - up one and right three
Parraelle line

50. Which direction does f(x+c) move
4 -6 -9
As equations
Horizontal left
Conditional