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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 domain for a standard quadratic 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
(-infinity - +infinity)
Any set of ordered pairs
X math 3 graph

2. Is the standard cubic function odd - even or neither?
F(x)=x^3
Odd
(-infinity - +infinity)
X = the original sale price and the formula is x - .40x =$276

3. What type of function would you use to calculate the most advantageous cell phone plan?
Cannot be drawn in quizlet
Piecewise
Horizontal
0<c<1 - horizontal stretching

4. An American Football field is 200 feet longer than it's width. The perimeter is 1040. What are the dimensions?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Y= then enter the number then press graph
Square Root
F(x)=x^3

5. What is the domain and range of a constant function?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Undefined slope
Y=x - identity function
(-infinity - +infinity)

6. Is a standard quadratic function even - odd or neither?
Zero slope
Even
Identity
Inconsitent

7. What is the range of an identity function?
(-infinity - +infinity)
Identity
Inconsitent
Only one

8. What is the vertical line formula?
Inconsitent
Because the demintor of a quotient can never equal zero
X=a
(-infinity - +infinity)

9. What are the calculator instructions for a square root function?
2nd key - x^2 - graph
(-infinity - +infinity)
Y
M

10. What is the vertex?
The minimum or maximum points
F(x)=IxI
Equation of a line
(-infinity - +infinity)

11. What are the calculator instructions for a square root function?
Change in y / change in x = rise / run = y2-y1 / x2-x1
2nd key - x^2 - graph
Absolute Value - Constant and Standard Quadratic
[0 -+infinity)

12. What is the formula for the standard cubic function?
F(x)=x^3
F(x+h)-f(x)/h h cannot equal zero
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.
F(x+h)-f(x)/h h cannot equal zero

13. Of the seven of algebra's common graph's how many are neither?
(-infinity - +infinity)
Mirror image neg quadrant to that of the positive quandrant
Down
Square Root

14. What is a constant function?
Odd
F(x^1)=f(x^2)
X^2
Negative inverse

15. Is the square root function odd - even or neither?
Neither
Because the demintor of a quotient can never equal zero
The secant line
F(x2)-f(x1) / x2-x1

16. What is the domain of an identity function?
The second set of components of an ordered pair
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
X = the original sale price and the formula is x - .40x =$276
(-infinity - +infinity)

17. What are the calculator instructions for the cube root function?
Math 4 x - graph
(-infinity - +infinity)
Same
The minimum or maximum points

18. Is a constant function even - odd or neither?
Even
Y=x^2 - graph
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.
F(x) = x

19. What is the slope of a perpendicular line?
Function notation
Odd
Negative inverse
Yes because two x's or domains can point to one y

20. What is the letter used to represent slope?
X = the original sale price and the formula is x - .40x =$276
(-infinity - +infinity)
Piecewise
M

21. What is another way of writing the absolute value function?
Yes - all the domains points to one range
Y=IxI
F(x+c) and f(x-c)
Cannot be drawn in quizlet

22. $50000 is the original investment - you will invest the money at two seperate interest rates 15% and 7% and the yield is $6000. What is x and What is the formula?
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
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
Even
Function notation

23. $50000 is the original investment - you will invest the money at two seperate interest rates 15% and 7% and the yield is $6000. What is x and What is the formula?
F(x)=suare root of x
F(x)=IxI
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
Even

24. What is the formula for the cube root function?
F(x)=3 square root x
F(x)=x^3
Perpendicular line
Approach neg toward x through zero and above positive close to x

25. What is the formula for slope?
Change in y / change in x = rise / run = y2-y1 / x2-x1
(-infinity - +infinity)
Odd
Neither

26. What type of slope do horizontal lines have?
(-infinity - +infinity)
Same
Perpendicular line
Because the demintor of a quotient can never equal zero

27. What is the line called that illustrates the straight line between the two points when showing average rate of change?
The secant line
(-infinity - 0]you[0 - +infinity)
Zero slope
(-infinity - 0]you[0 - +infinity)

28. What is the formula in both horizontal stretching and horizontal shrinking?
(-infinity - +infinity)
Neither
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
(-infinity - 0]you[0 - +infinity)

29. y=f(cx) - What does this formula represent?
[0 -+infinity)
2nd key - x^2 - graph
C>1 - horizontal shrinking
X2-x1 because the demonaitor of a quotient can never equal zero

30. How many domains can you have pointing to one range?
As many as you like
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
When does a graph not define y as a function of x?
F(x)=suare root of x

31. What is the domain for the standard cubic function?
Y= then enter the number then press graph
(-infinity - +infinity)
F(x)=IxI
20+.05x=5+.10x x=minutes

32. Is an absolute value function even - odd or neither?
Zero slope
(-infinity - 0]you[0 - +infinity)
Even
As equations

33. Of the seven of algebra's common graph's how many are even?
Y=IxI
Absolute Value - Constant and Standard Quadratic
2nd catalog (zero key -) abs(x) - graph
X math 3 graph

34. In an identity function if f(10)=x than What is y?
As equations
Function notation
Y=10
Cannot be drawn in quizlet

35. How do you graph Ax+By+C=0?
Set the x and y to zero and get the intercepts and then plot the points
4 -6 -9
F(x)=+c and f(x)-c
(-infinity - +infinity)

36. What can never equal zero in the slope formula and why?
Horizontal
X2-x1 because the demonaitor of a quotient can never equal zero
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Conditional

37. What is the range of the cube root function?
Up
(-infinity - +infinity)
When does a graph not define y as a function of x?
Neither

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

39. What is a domain?
F(x+c) and f(x-c)
Identity
[0 -+infinity)
The first set of components of an ordered pair

40. What shape is the standard quadratic function?
Y=x - identity function
Parabola
Inconsistant
(-infinity - +infinity)

41. What is the range for a standard quadratic function?
A line passing through two distinct points
(-infinity - 0]you[0 - +infinity)
(-infinity - +infinity)
Undefined slope

42. y=f(cx) What does this formula represent?
Function notation
Even
0<c<1 - horizontal stretching
Inconsitent

43. What is the horizontal line formula?
2nd key - x^2 - graph
The slope of a line containing two points
Y=b
F(x)=+c and f(x)-c

44. What is the formula for an absolute value function?
X=a
F(x)=IxI
Only one
Even

45. Of the seven of algebra's common graph's how many are odd?
F(x)=IxI
Three odd - cube root - identity - standard cubic
No because you cannot have one domain pointing at two y's or ranges
Horizontal right

46. When is the only time (-infinity - +infinity) is not the domain?
(-infinity - 0]you[0 - +infinity)
(-infinity - +infinity)
Y= then enter the number then press graph
In a quotient

47. What type of slope do you have when a line rises from left to right and m>0?
Even
Only one
The slope of a line containing two points
Postiive slope

48. standard absolute value - horizontal shift formulas for left and right
M
Even
F(x+c) and f(x-c)
Approach neg toward x through zero and above positive close to x

49. An American Football field is 200 feet longer than it's width. The perimeter is 1040. What are the dimensions?
Down
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
The single number y=
F(x)=3 square root x

50. How many ranges can you have for each domain?
4 -6 -9
A V
Only one
The slope of a line containing two points