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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 another way of writing the absolute value function?
Approach neg toward x through zero and above positive close to x
Inconsistant
Y=IxI
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

2. What are the calculator instructions for absolute value?
F of g and g of f
Y=10
2nd catalog (zero key -) abs(x) - graph
(-infinity - +infinity)

3. What is another way to write f(x)=x - what type of function is this?
Only one
Cannot be drawn in quizlet
Zero slope
Y=x - identity function

4. What is the vertical line test?
The single number y=
Only one
(-infinity - +infinity)
When does a graph not define y as a function of x?

5. A flat line underlining one vertical line is a symbol for...
Perpendicular line
Equation of a line
2nd catalog (zero key -) abs(x) - graph
The slope of a line containing two points

6. What is a constant function?
F(x^1)=f(x^2)
1 -2 -3
Identity
Undefined

7. What does linear equation mean?
The second set of components of an ordered pair
Horizontal right
Mirror image neg quadrant to that of the positive quandrant
Equation of a line

8. What are the calculator instructions for the cube root function?
Math 4 x - graph
When does a graph not define y as a function of x?
X^2
Even

9. What is the domain of an identity function?
The secant line
F of g and g of f
The slope of a line containing two points
(-infinity - +infinity)

10. x=all real numbers is what type of an equation?
Y=IxI
45 degree angle
Line ascending to the right gradually
Identity

11. What type of line is a constant function?
The secant line
Horizontal
The first set of components of an ordered pair
F(x)=x^3

12. How would this formula move f(x)=(x+1)^2-3
The minimum or maximum points
Parabola
Parabola - up one and right three
Negative slope

13. What is the range of the cube root function?
(-infinity - +infinity)
X^2
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Perpendicular line

14. What type of slope do vertical lines have?
Even
Y=x - identity function
(-infinity - +infinity)
Undefined

15. What is the formula for to calculate the difference of a quotient function?
Inconsitent
Parabola - up one and right three
F(x^1)=f(x^2)
F(x+h)-f(x)/h h cannot equal zero

16. What is slope?
Parabola - up one and right three
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 = the original sale price and the formula is x - .40x =$276
A line passing through two distinct points

17. What type of slope do horizontal lines have?
Cannot be drawn in quizlet
Same
The minimum or maximum points
Even

18. Outline the piece wise function and explain it? if the base plan is $20 and each minute over one hour is .40 cents?
Perpendicular line
C>1 - horizontal shrinking
F(x+c) and f(x-c)
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

19. What type of line is a constant function?
Horizontal
Even
(-infinity - +infinity)
Parabola

20. What is the range of the cube root function?
X = the original sale price and the formula is x - .40x =$276
Set the x and y to zero and get the intercepts and then plot the points
No because you cannot have one domain pointing at two y's or ranges
(-infinity - +infinity)

21. What type of line is an identity function?
[0 -+infinity)
45 degree angle
Undefined slope
M

22. What is the slope of a perpendicular line?
The minimum or maximum points
A V
The first set of components of an ordered pair
Negative inverse

23. What is the range of the constant function?
Mirror image neg quadrant to that of the positive quandrant
Set the x and y to zero and get the intercepts and then plot the points
Yes - all the domains points to one range
The single number y=

24. Why can h not equal zero in the difference of a quotient function formula?
Y
X2-x1 because the demonaitor of a quotient can never equal zero
Change in y / change in x = rise / run = y2-y1 / x2-x1
Because the demintor of a quotient can never equal zero

25. 4(x-7)=4x-28 is what type of an equation?
Even
1 -2 -3
Identity
Horizontal

26. What is the formula for the square root function?
Inconsitent
A line passing through two distinct points
F(x)=suare root of x
Parabola

27. Is the square root function odd - even or neither?
Parabola
Absolute Value - Constant and Standard Quadratic
Neither
(-infinity - +infinity)

28. x= a real number is what type of equation?
Horizontal
The slope of a line containing two points
Perpendicular line
Conditional

29. What are the four steps for finding the inverse of a function?
45 degree angle
Any set of ordered pairs
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
Parraelle line

30. What are two examples of composit functions?
F of g and g of f
Math 4 x - graph
Even
F(x) = x

31. What can never equal zero in the slope formula and why?
F(x)=x^3
X2-x1 because the demonaitor of a quotient can never equal zero
[0 -+infinity)
Negative slope

32. y=f(cx) What does this formula represent?
The single number y=
(-infinity - +infinity)
A V
0<c<1 - horizontal stretching

33. x= a real number is what type of equation?
Conditional
Identity
The opposite coordinates
Y=IxI

34. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
Cannot be drawn in quizlet
1 -2 -3
(-infinity - +infinity)
F(x+c) and f(x-c)

35. Is an absolute value function even - odd or neither?
(-infinity - 0]you[0 - +infinity)
Odd
Down
Even

36. What is the slope of a perpendicular line?
20+.05x=5+.10x x=minutes
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)
Negative inverse

37. Is an absolute value function even - odd or neither?
Y=x - identity function
Y
The first set of components of an ordered pair
Even

38. An American Football field is 200 feet longer than it's width. The perimeter is 1040. What are the dimensions?
(-infinity - 0]you[0 - +infinity)
Parabola
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
2nd catalog (zero key -) abs(x) - graph

39. What does the square root function look like on a graph?
(-infinity - +infinity)
F(x)=x^3
Line ascending to the right gradually
F(x)=3 square root x

40. What is an identity function?
When does a graph not define y as a function of x?
X = the original sale price and the formula is x - .40x =$276
45 degree angle
(-infinity - +infinity)

41. Which direction does f(x)=+c move in standard absolute value formula?
The single number y=
(-infinity - +infinity)
Approach neg toward x through zero and above positive close to x
Up

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

43. What is the domain of the cube root function?
(-infinity - +infinity)
Yes - all the domains points to one range
Horizontal
Cannot be drawn in quizlet

44. What is a function?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
(-infinity - +infinity)
The second set of components of an ordered pair
A V

45. Of the seven of algebra's common graph's how many are even?
Absolute Value - Constant and Standard Quadratic
Cannot be drawn in quizlet
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.
(-infinity - +infinity)

46. What is slope?
F(x) = x
Because the demintor of a quotient can never equal zero
F of g and g of f
A line passing through two distinct points

47. What is a relation?
F(x)=3 square root x
Any set of ordered pairs
The single number y=
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

48. What is the domain and range of a constant function?
(-infinity - +infinity)
X math 3 graph
Horizontal left
Parraelle line

49. How many domains can you have pointing to one range?
Any set of ordered pairs
As many as you like
Yes - all the domains points to one range
Y=10

50. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
Yes - all the domains points to one range
Cannot be drawn in quizlet
F(x)=IxI
X2-x1 because the demonaitor of a quotient can never equal zero