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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. How many domains can you have pointing to one range?
(-infinity - +infinity)
Conditional
As many as you like
F(x)=+c and f(x)-c

2. Is the square root function odd - even or neither?
Horizontal left
Neither
Inconsitent
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse

3. What is the slope of a perpendicular line?
Inconsitent
F(x)=+c and f(x)-c
Negative inverse
The second set of components of an ordered pair

4. What is the formula for the square root function?
0<c<1 - horizontal stretching
In a quotient
F(x)=suare root of x
X math 3 graph

5. What are the steps for solving a word problem?
Horizontal
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
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
(-infinity - +infinity)

6. What type of slope do you have when the line is horizontal and m=0?
Zero slope
Even
As many as you like
Because the demintor of a quotient can never equal zero

7. What can we substitute for f(x)?
Y
A V
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.
As equations

8. How are functions normally written?
As equations
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.
Piecewise
Identity

9. Two vertical lines side by side are a symbol for what
Parraelle line
Any set of ordered pairs
The single number y=
F(x+h)-f(x)/h h cannot equal zero

10. What type of slope do vertical lines have?
Undefined
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
A line passing through two distinct points
F(x)=+c and f(x)-c

11. How do you graph Ax+By+C=0?
As many as you like
Parraelle line
Y=x - identity function
Set the x and y to zero and get the intercepts and then plot the points

12. What are the calculator instructions for absolute value?
2nd catalog (zero key -) abs(x) - graph
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
Conditional
Even

13. What is the range of the constant function?
As equations
Equation of a line
In a quotient
The single number y=

14. What does the absolute value function look like?
M
X^2
A V
Undefined

15. What is the range for an absolute value function?
(-infinity - 0]you[0 - +infinity)
F(x)=suare root of x
F(x2)-f(x1) / x2-x1
Cannot be drawn in quizlet

16. 4(x-7)=4x-28 is what type of an equation?
Conditional
Set the x and y to zero and get the intercepts and then plot the points
Y=10
Identity

17. What does the standard cubic function look like on a graph?
Same
Mirror image neg quadrant to that of the positive quandrant
Odd
No because you cannot have one domain pointing at two y's or ranges

18. What equation does every line have? Discuss the variables.
(-infinity - +infinity)
Horizontal
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.
A line passing through two distinct points

19. Is a standard quadratic function even - odd or neither?
Even
F(x)=IxI
X = the original sale price and the formula is x - .40x =$276
As many as you like

20. What does the average rate of change formula solve?
Absolute Value - Constant and Standard Quadratic
The opposite coordinates
Approach neg toward x through zero and above positive close to x
The slope of a line containing two points

21. What is a constant function?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
F(x^1)=f(x^2)
A line passing through two distinct points
Set the x and y to zero and get the intercepts and then plot the points

22. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
Conditional
X = the original sale price and the formula is x - .40x =$276

23. x= a real number is what type of equation?
Approach neg toward x through zero and above positive close to x
Parabola
Conditional
45 degree angle

24. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
When does a graph not define y as a function of x?
A line passing through two distinct points
The minimum or maximum points
Yes - all the domains points to one range

25. 4(x-7)=4x-28 is what type of an equation?
F(x^1)=f(x^2)
45 degree angle
Undefined
Identity

26. What is the formula for slope?
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.
Because the demintor of a quotient can never equal zero
When does a graph not define y as a function of x?
Change in y / change in x = rise / run = y2-y1 / x2-x1

27. Is a standard quadratic function even - odd or neither?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
X is the hours to repair the boat. $1603-532=anwser/63 = x
M
Even

28. What are the calculator instructions for a square root function?
X = the original sale price and the formula is x - .40x =$276
2nd key - x^2 - graph
0<c<1 - horizontal stretching
Mirror image neg quadrant to that of the positive quandrant

29. Is a constant function even - odd or neither?
Even
Parabola
Equation of a line
Piecewise

30. What points do you use to plot the inverse on a graph?
The opposite coordinates
Inconsitent
45 degree angle
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph

31. f(x) = x^2+3x+5 - what type of formula is this?
Absolute Value - Constant and Standard Quadratic
Mirror image neg quadrant to that of the positive quandrant
Function notation
F(x)=x^3

32. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
1 -2 -3
(-infinity - +infinity)
Negative inverse
4 -6 -9

33. What type of slope do horizontal lines have?
F(x)=+c and f(x)-c
Same
Absolute Value - Constant and Standard Quadratic
(-infinity - 0]you[0 - +infinity)

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

35. Of the seven of algebra's common graph's how many are odd?
(-infinity - +infinity)
Three odd - cube root - identity - standard cubic
Parabola
Because the demintor of a quotient can never equal zero

36. What is an identity function?
(-infinity - +infinity)
Same
45 degree angle
Inconsitent

37. What is the vertex?
(-infinity - +infinity)
The minimum or maximum points
Absolute Value - Constant and Standard Quadratic
Even

38. What can never equal zero in the slope formula and why?
(f+g) - (f-g) - (fg) - (f/g) all of x
The minimum or maximum points
X2-x1 because the demonaitor of a quotient can never equal zero
Divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly

39. What is the range for the standard cubic function?
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
Perpendicular line
(-infinity - +infinity)
Horizontal

40. Which direction does f(x)=+c move in standard absolute value formula?
20+.05x=5+.10x x=minutes
The slope of a line containing two points
(-infinity - +infinity)
Up

41. What is the domain for a standard quadratic function?
Parabola
(-infinity - +infinity)
The single number y=
Y= then enter the number then press graph

42. Of the seven of algebra's common graph's how many are neither?
Square Root
Math 4 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.
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.

43. Of the seven of algebra's common graph's how many are even?
Absolute Value - Constant and Standard Quadratic
Negative inverse
As equations
(-infinity - +infinity)

44. What is the formula for to calculate the difference of a quotient function?
Y=x^2 - graph
F(x+h)-f(x)/h h cannot equal zero
Function notation
Absolute Value - Constant and Standard Quadratic

45. A flat line underlining one vertical line is a symbol for...
Perpendicular line
(-infinity - +infinity)
Math 4 x - graph
20+.05x=5+.10x x=minutes

46. What type of slope do you have when m=? and the line is vertical?
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
Undefined slope
The second set of components of an ordered pair
F(x) = x

47. $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?
(-infinity - 0]you[0 - +infinity)
X math 3 graph
2nd catalog (zero key -) abs(x) - graph
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

48. What are the calculator instructions for absolute value?
2nd catalog (zero key -) abs(x) - graph
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Parabola - up one and right three
0<c<1 - horizontal stretching

49. What is the vertex?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
The minimum or maximum points
The single number y=
Even

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