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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. A. $20 +.05 per min B. $5 +.10 per min - What is x and how do you set up the formula?
20+.05x=5+.10x x=minutes
Yes - all the domains points to one range
Y=x - identity function
Absolute Value - Constant and Standard Quadratic

2. What is slope?
Horizontal right
Down
[0 -+infinity)
A line passing through two distinct points

3. What type of function would you use to calculate the most advantageous cell phone plan?
Y=10
A V
Perpendicular line
Piecewise

4. What are the calculator instructions for a square root function?
2nd key - x^2 - graph
(-infinity - +infinity)
Y=IxI
Undefined slope

5. y=f(cx) What does this formula represent?
0<c<1 - horizontal stretching
(-infinity - +infinity)
Function notation
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse

6. What is the standard quadratic function?
45 degree angle
(-infinity - +infinity)
X^2
(-infinity - 0]you[0 - +infinity)

7. Draw or discuss an increasing function
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
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
Cannot be drawn in quizlet

8. What direction does f(x)-c move in standard absolute value formula?
F(x+c) and f(x-c)
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
Down
Inconsitent

9. What type of slope do vertical lines have?
Even
Undefined
The first set of components of an ordered pair
F(x)=IxI

10. What is the average rate of change formula?
Cannot be drawn in quizlet
Conditional
45 degree angle
F(x2)-f(x1) / x2-x1

11. What is the range for a standard quadratic function?
Change in y / change in x = rise / run = y2-y1 / x2-x1
X math 3 graph
No because you cannot have one domain pointing at two y's or ranges
(-infinity - 0]you[0 - +infinity)

12. What equation does every line have? Discuss the variables.
Square Root
Even
2nd catalog (zero key -) abs(x) - graph
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.

13. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
[0 -+infinity)
4 -6 -9
As many as you like
F(x+c) and f(x-c)

14. What is the formula for the cube root function?
[0 -+infinity)
The slope of a line containing two points
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
F(x)=3 square root x

15. What is an identity function?
45 degree angle
Absolute Value - Constant and Standard Quadratic
[0 -+infinity)
Y=x - identity function

16. How are functions normally written?
As equations
Because the demintor of a quotient can never equal zero
F(x)=+c and f(x)-c
Postiive slope

17. What type of line is a constant function?
Negative slope
Horizontal
Only one
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

18. Is an absolute value function even - odd or neither?
Inconsistant
Even
The second set of components of an ordered pair
Horizontal

19. What points do you use to plot the inverse on a graph?
45 degree angle
F(x)=3 square root x
Zero slope
The opposite coordinates

20. What is a relation?
M
Any set of ordered pairs
Postiive slope
(-infinity - +infinity)

21. What is slope?
Perpendicular line
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= then enter the number then press graph
A line passing through two distinct points

22. x=no real numbers is what type of an equation?
1 -2 -3
Inconsistant
As many as you like
Identity

23. What is the standard quadratic function?
X^2
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
As equations
Parraelle line

24. What are the calculator instructions for the cube root function?
Math 4 x - graph
In a quotient
45 degree angle
The slope of a line containing two points

25. What is the range of an identity function?
Y=x^2 - graph
Neither
(-infinity - +infinity)
X math 3 graph

26. What are the steps for solving a word problem?
Perpendicular line
(-infinity - +infinity)
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
Square Root

27. What are the calculator instructions for absolute value?
Even
Identity
Neither
2nd catalog (zero key -) abs(x) - graph

28. What is the domain of a square root function?
Y=x - identity function
Y= then enter the number then press graph
Set the x and y to zero and get the intercepts and then plot the points
[0 -+infinity)

29. What type of slope do you have when a line falls left to right and m<0?
F(x)=+c and f(x)-c
Negative slope
Line ascending to the right gradually
A line passing through two distinct points

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

31. y=f(cx) - What does this formula represent?
C>1 - horizontal shrinking
Cannot be drawn in quizlet
Inconsistant
F(x2)-f(x1) / x2-x1

32. x=all real numbers is what type of an equation?
Postiive slope
Identity
Inconsistant
When does a graph not define y as a function of x?

33. y=f(cx) What does this formula represent?
(-infinity - +infinity)
When does a graph not define y as a function of x?
Same
0<c<1 - horizontal stretching

34. What type of slope do vertical lines have?
Undefined
(-infinity - +infinity)
Horizontal left
(-infinity - +infinity)

35. What is a function?
4 -6 -9
F(x^1)=f(x^2)
Approach neg toward x through zero and above positive close to x
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

36. What is a domain?
Square Root
The first set of components of an ordered pair
F(x+c) and f(x-c)
Even

37. What is the range for an absolute value function?
(-infinity - 0]you[0 - +infinity)
Perpendicular line
(f+g) - (f-g) - (fg) - (f/g) all of x
Parraelle line

38. What is the slope of a perpendicular line?
Negative inverse
Cannot be drawn in quizlet
Up
Up

39. What are the calculator instructions for a square root function?
Odd
Cannot be drawn in quizlet
Y=x - identity function
2nd key - x^2 - graph

40. What is the formula for an absolute value function?
Cannot be drawn in quizlet
Because the demintor of a quotient can never equal zero
F(x)=IxI
Up

41. What is the horizontal line formula?
[0 -+infinity)
Three odd - cube root - identity - standard cubic
X=a
Y=b

42. What type of line is a constant function?
2nd catalog (zero key -) abs(x) - graph
F(x+h)-f(x)/h h cannot equal zero
(-infinity - +infinity)
Horizontal

43. y=f(cx) - What does this formula represent?
(f+g) - (f-g) - (fg) - (f/g) all of x
Identity
C>1 - horizontal shrinking
Conditional

44. What is the letter used to represent slope?
The minimum or maximum points
[0 -+infinity)
The second set of components of an ordered pair
M

45. What are the steps for solving a word problem?
(-infinity - 0]you[0 - +infinity)
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
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
F(x2)-f(x1) / x2-x1

46. x= a real number is what type of equation?
(-infinity - +infinity)
(-infinity - 0]you[0 - +infinity)
Conditional
Undefined

47. What type of line is a constant function?
(-infinity - +infinity)
Identity
Horizontal
Y=x - identity function

48. How many domains can you have pointing to one range?
Change in y / change in x = rise / run = y2-y1 / x2-x1
Odd
Conditional
As many as you like

49. Two vertical lines side by side are a symbol for what
Parraelle line
A line passing through two distinct points
Identity
Y

50. Of the seven of algebra's common graph's how many are even?
Even
Absolute Value - Constant and Standard Quadratic
As many as you like
A line passing through two distinct points