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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 are the calculator instructions for absolute value?
Equation of a line
[0 -+infinity)
Conditional
2nd catalog (zero key -) abs(x) - graph

2. 4(x-7)=4x-28 is what type of an equation?
Identity
Undefined
Down
Same

3. What is the formula for the cube root function?
Parraelle line
F(x)=3 square root x
Y=IxI
[0 -+infinity)

4. Why can h not equal zero in the difference of a quotient function formula?
Yes because two x's or domains can point to one y
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
1 -2 -3
Because the demintor of a quotient can never equal zero

5. Draw or discuss a constant function
Parraelle line
Y
F(x) = x
Cannot be drawn in quizlet

6. What is the vertex?
Cannot be drawn in quizlet
F(x+c) and f(x-c)
The minimum or maximum points
(-infinity - +infinity)

7. 4x+5x=8x is what type of an equation?
Conditional
Set the x and y to zero and get the intercepts and then plot the points
(-infinity - +infinity)
X math 3 graph

8. Is an identity function even - odd or neither?
X^2
Y=b
20+.05x=5+.10x x=minutes
Odd

9. What type of line is a constant function?
Horizontal
Undefined
Even
F of g and g of f

10. y=f(cx) - What does this formula represent?
F(x)=IxI
X is the hours to repair the boat. $1603-532=anwser/63 = x
C>1 - horizontal shrinking
(-infinity - +infinity)

11. What are the calculator instructions for the standard cubic function?
Parabola - up one and right three
A V
X math 3 graph
A line passing through two distinct points

12. What is the range of an identity function?
(-infinity - +infinity)
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Inconsitent
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse

13. What is a domain?
The minimum or maximum points
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
The first set of components of an ordered pair
Y=10

14. What direction does f(x)-c move in standard absolute value formula?
Square Root
Down
Inconsitent
No because you cannot have one domain pointing at two y's or ranges

15. standard absolute value - vertical shift formulas for positve and negative
Even
Odd
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
F(x)=+c and f(x)-c

16. What are the calculator instructions for a square root function?
(-infinity - +infinity)
(-infinity - +infinity)
Zero slope
2nd key - x^2 - graph

17. What is the formula for the standard cubic function?
Odd
Horizontal left
F(x)=x^3
Yes - all the domains points to one range

18. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
F(x)=suare root of x
Neither
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.
1 -2 -3

19. What type of line is an identity function?
[0 -+infinity)
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
45 degree angle
Y= then enter the number then press graph

20. Is the standard cubic function odd - even or neither?
Even
Odd
Math 4 x - graph
Same

21. Is an absolute value function even - odd or neither?
Cannot be drawn in quizlet
Even
[0 -+infinity)
F(x) = x

22. What equation does every line have? Discuss the variables.
Zero slope
Identity
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.
Equation of a line

23. How do you graph Ax+By+C=0?
Identity
(-infinity - +infinity)
In a quotient
Set the x and y to zero and get the intercepts and then plot the points

24. What are the calculator instructions for absolute value?
0<c<1 - horizontal stretching
2nd catalog (zero key -) abs(x) - graph
Horizontal left
Yes because two x's or domains can point to one y

25. 4(x-7)=4x+28 is what type of an equation?
Even
(-infinity - +infinity)
Inconsitent
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse

26. What can we substitute for f(x)?
Y
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
(-infinity - +infinity)
A line passing through two distinct points

27. x= a real number is what type of equation?
Negative slope
In a quotient
Horizontal right
Conditional

28. $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?
Zero slope
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
[0 -+infinity)
X math 3 graph

29. What are the four steps for solving a linear equation?
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.
Parabola - up one and right three
Undefined slope
Three odd - cube root - identity - standard cubic

30. What are the calculator instructions for the standard cubic function?
(-infinity - +infinity)
X math 3 graph
[0 -+infinity)
20+.05x=5+.10x x=minutes

31. What is the vertical line formula?
X=a
Cannot be drawn in quizlet
Absolute Value - Constant and Standard Quadratic
Y=10

32. What is the vertical line test?
Negative slope
F(x+h)-f(x)/h h cannot equal zero
F(x)=IxI
When does a graph not define y as a function of x?

33. 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
[0 -+infinity)
Y=b
Cannot be drawn in quizlet

34. What type of line is a constant function?
45 degree angle
F(x+c) and f(x-c)
Horizontal
F(x+h)-f(x)/h h cannot equal zero

35. 4(x-7)=4x-28 is what type of an equation?
Horizontal right
Identity
Only one
F(x^1)=f(x^2)

36. What is the average rate of change formula?
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(x2)-f(x1) / x2-x1
Y= then enter the number then press graph
Horizontal

37. What are the calculator instructions for the cube root function?
Math 4 x - graph
In a quotient
X2-x1 because the demonaitor of a quotient can never equal zero
Horizontal left

38. What is the formula for the cube root function?
0<c<1 - horizontal stretching
F(x)=3 square root x
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Square Root

39. How many domains can you have pointing to one range?
Cannot be drawn in quizlet
F(x)=IxI
As many as you like
Approach neg toward x through zero and above positive close to x

40. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
Horizontal right
Y= then enter the number then press graph
X = the original sale price and the formula is x - .40x =$276
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040

41. What is another way to write f(x)=x - what type of function is this?
Y=x - identity function
45 degree angle
4 -6 -9
Any set of ordered pairs

42. What is an identity function?
45 degree angle
Identity
F(x)=suare root of x
Odd

43. What are the calculator instructions for the cube root function?
Math 4 x - graph
(-infinity - 0]you[0 - +infinity)
X is the hours to repair the boat. $1603-532=anwser/63 = x
Inconsistant

44. What is the horizontal line formula?
Y=b
Mirror image neg quadrant to that of the positive quandrant
(-infinity - +infinity)
Piecewise

45. y=f(cx) What does this formula represent?
[0 -+infinity)
0<c<1 - horizontal stretching
2nd catalog (zero key -) abs(x) - graph
(-infinity - +infinity)

46. What is the standard quadratic function?
The single number y=
Inconsistant
X^2
Cannot be drawn in quizlet

47. What is the formula for slope?
Cannot be drawn in quizlet
Even
Change in y / change in x = rise / run = y2-y1 / x2-x1
[0 -+infinity)

48. What is the domain for a standard quadratic function?
Up
Even
Undefined
(-infinity - +infinity)

49. What is the formula for the square root function?
(-infinity - 0]you[0 - +infinity)
Parraelle line
F(x)=suare root of x
Three odd - cube root - identity - standard cubic

50. Draw or discuss a decreasing function
Inconsitent
Cannot be drawn in quizlet
4 -6 -9
Even