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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 a domain?
Conditional
(-infinity - 0]you[0 - +infinity)
Parraelle line
The first set of components of an ordered pair

2. Is a standard quadratic function even - odd or neither?
A V
4 -6 -9
Even
F(x2)-f(x1) / x2-x1

3. What does the square root function look like on a graph?
The first set of components of an ordered pair
Undefined slope
Line ascending to the right gradually
Any set of ordered pairs

4. What is the domain of an identity function?
Cannot be drawn in quizlet
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Because the demintor of a quotient can never equal zero
(-infinity - +infinity)

5. What can we substitute for f(x)?
F(x^1)=f(x^2)
M
Y
Even

6. Of the seven of algebra's common graph's how many are neither?
X is the hours to repair the boat. $1603-532=anwser/63 = x
1 -2 -3
Square Root
Identity

7. What are the steps for solving a word problem?
[0 -+infinity)
Negative inverse
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
Negative slope

8. What type of slope do vertical lines have?
Horizontal
Undefined
Negative slope
Math 4 x - graph

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

10. What is the average rate of change formula?
Math 4 x - graph
Zero slope
45 degree angle
F(x2)-f(x1) / x2-x1

11. What is the range of a square root function?
Cannot be drawn in quizlet
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
Down
[0 -+infinity)

12. What is another way of writing the absolute value function?
Y=IxI
Because the demintor of a quotient can never equal zero
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
Yes - all the domains points to one range

13. What is a range?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
(-infinity - +infinity)
The opposite coordinates
The second set of components of an ordered pair

14. Is an absolute value function even - odd or neither?
Set the x and y to zero and get the intercepts and then plot the points
Parraelle line
(-infinity - +infinity)
Even

15. What is an identity function?
Y=IxI
Only one
Even
45 degree angle

16. What is the range of the cube root function?
X = the original sale price and the formula is x - .40x =$276
(-infinity - +infinity)
X=a
Same

17. What is the formula in both horizontal stretching and horizontal shrinking?
[0 -+infinity)
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
Y=b
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

18. 4x+5x=8x is what type of an equation?
Conditional
(-infinity - +infinity)
Y
Mirror image neg quadrant to that of the positive quandrant

19. How would this formula move f(x)=(x+1)^2-3
Horizontal
Yes - all the domains points to one range
Parabola - up one and right three
(-infinity - +infinity)

20. What is the range of the cube root function?
M
F(x+h)-f(x)/h h cannot equal zero
Y=x - identity function
(-infinity - +infinity)

21. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
X = the original sale price and the formula is x - .40x =$276
[0 -+infinity)
(-infinity - 0]you[0 - +infinity)
(-infinity - +infinity)

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

23. What is the formula for the cube root function?
F(x)=3 square root x
Mirror image neg quadrant to that of the positive quandrant
[0 -+infinity)
As many as you like

24. A flat line underlining one vertical line is a symbol for...
Perpendicular line
Equation of a line
Approach neg toward x through zero and above positive close to x
F of g and g of f

25. $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?
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)=suare root of x
The slope of a line containing two points
Zero slope

26. What direction does f(x)-c move in standard absolute value formula?
Down
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
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

27. Which direction does f(x+c) move
Y= then enter the number then press graph
Horizontal left
F(x)=x^3
Approach neg toward x through zero and above positive close to x

28. What is the vertical line test?
Horizontal
Yes - all the domains points to one range
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?

29. What can we substitute for f(x)?
Conditional
Y
C>1 - horizontal shrinking
Square Root

30. What are two examples of composit functions?
Perpendicular line
Parraelle line
Y=IxI
F of g and g of f

31. What type of line is a constant function?
Change in y / change in x = rise / run = y2-y1 / x2-x1
M
Y= then enter the number then press graph
Horizontal

32. In an identity function if f(10)=x than What is y?
The secant line
4 -6 -9
Zero slope
Y=10

33. Draw or discuss a decreasing function
The first set of components of an ordered pair
(-infinity - +infinity)
Cannot be drawn in quizlet
The opposite coordinates

34. What is the letter used to represent slope?
(-infinity - +infinity)
Parabola
(-infinity - 0]you[0 - +infinity)
M

35. standard absolute value - vertical shift formulas for positve and negative
When does a graph not define y as a function of x?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
F(x)=+c and f(x)-c
Horizontal

36. What is the domain for the standard cubic function?
A line passing through two distinct points
The second set of components of an ordered pair
(-infinity - +infinity)
Even

37. What does the standard cubic function look like on a graph?
Because the demintor of a quotient can never equal zero
Yes because two x's or domains can point to one y
The opposite coordinates
Mirror image neg quadrant to that of the positive quandrant

38. What is a function?
Neither
Mirror image neg quadrant to that of the positive quandrant
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

39. What is the formula for slope?
Change in y / change in x = rise / run = y2-y1 / x2-x1
Even
(-infinity - +infinity)
Y=b

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

41. What is the range for an absolute value function?
X^2
2nd catalog (zero key -) abs(x) - graph
Even
(-infinity - 0]you[0 - +infinity)

42. How many ranges can you have for each domain?
Postiive slope
Only one
(-infinity - +infinity)
Horizontal left

43. What type of slope do horizontal lines have?
Down
Same
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 - 0]you[0 - +infinity)

44. x=all real numbers is what type of an equation?
Undefined
As many as you like
Identity
Mirror image neg quadrant to that of the positive quandrant

45. What type of slope do you have when a line rises from left to right and m>0?
As equations
Identity
Postiive slope
(-infinity - +infinity)

46. What is the range of the constant function?
Y=x^2 - graph
The single number y=
Identity
Inconsitent

47. What is the formula for the standard cubic function?
F(x)=x^3
Set the x and y to zero and get the intercepts and then plot the points
Even
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

48. x=no real numbers is what type of an equation?
Inconsistant
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
X=a
Negative inverse

49. What is the line called that illustrates the straight line between the two points when showing average rate of change?
F of g and g of f
The secant line
Negative slope
(-infinity - +infinity)

50. What is the vertical line test?
When does a graph not define y as a function of x?
Odd
(-infinity - +infinity)
0<c<1 - horizontal stretching