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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 does the square root function look like on a graph?
As equations
Line ascending to the right gradually
Inconsitent
(-infinity - +infinity)

2. What type of line is a constant function?
Horizontal left
Horizontal
X math 3 graph
Up

3. What is the domain of the cube root function?
(-infinity - +infinity)
F(x)=IxI
Yes - all the domains points to one range
4 -6 -9

4. What is the domain of the cube root function?
X^2
Odd
(-infinity - +infinity)
[0 -+infinity)

5. How do you calculate a constant function in your calculator?
Math 4 x - graph
Horizontal
Y= then enter the number then press graph
X is the hours to repair the boat. $1603-532=anwser/63 = x

6. What is the formula for an identity function?
Square Root
F(x) = x
F(x)=x^3
X^2

7. What is the average rate of change formula?
Because the demintor of a quotient can never equal zero
Cannot be drawn in quizlet
(f+g) - (f-g) - (fg) - (f/g) all of x
F(x2)-f(x1) / x2-x1

8. What is the range for the standard cubic function?
F(x)=IxI
Change in y / change in x = rise / run = y2-y1 / x2-x1
(-infinity - +infinity)
[0 -+infinity)

9. Which direction does f(x+c) move
F(x^1)=f(x^2)
Horizontal left
The slope of a line containing two points
Only one

10. What is another way to write f(x)=x - what type of function is this?
Y=x - identity function
Three odd - cube root - identity - standard cubic
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Neither

11. Is the square root function odd - even or neither?
(-infinity - +infinity)
Cannot be drawn in quizlet
Neither
Identity

12. What points do you use to plot the inverse on a graph?
45 degree angle
Inconsistant
The opposite coordinates
Odd

13. What type of line is an identity function?
Because the demintor of a quotient can never equal zero
Line ascending to the right gradually
45 degree angle
Even

14. What can we substitute for f(x)?
Inconsistant
Y
(-infinity - 0]you[0 - +infinity)
F(x)=suare root of x

15. What is the domain of a square root function?
Even
Piecewise
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
[0 -+infinity)

16. What is the range of an identity function?
The first set of components of an ordered pair
[0 -+infinity)
(-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

17. What does the average rate of change formula solve?
Cannot be drawn in quizlet
The minimum or maximum points
The slope of a line containing two points
4 -6 -9

18. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
Even
F(x) = x
X = the original sale price and the formula is x - .40x =$276
F(x+h)-f(x)/h h cannot equal zero

19. A. $20 +.05 per min B. $5 +.10 per min - What is x and how do you set up the formula?
The single number y=
The secant line
20+.05x=5+.10x x=minutes
F(x)=IxI

20. What is the standard quadratic function?
(-infinity - +infinity)
2nd catalog (zero key -) abs(x) - graph
X^2
Equation of a line

21. A flat line underlining one vertical line is a symbol for...
Perpendicular line
Postiive slope
(-infinity - +infinity)
[0 -+infinity)

22. What is the vertical line test?
Y=10
F of g and g of f
When does a graph not define y as a function of x?
X = the original sale price and the formula is x - .40x =$276

23. What is the domain and range of a constant function?
Parabola
Math 4 x - graph
(-infinity - +infinity)
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.

24. What are the steps for solving a word problem?
Any set of ordered pairs
F(x)=suare root of x
Same
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

25. x=all real numbers is what type of an equation?
Set the x and y to zero and get the intercepts and then plot the points
Identity
The minimum or maximum points
0<c<1 - horizontal stretching

26. Is a standard quadratic function even - odd or neither?
As many as you like
Even
Up
Odd

27. What is the horizontal line formula?
Y=b
Horizontal
Perpendicular line
Mirror image neg quadrant to that of the positive quandrant

28. What is the vertex?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Y=x^2 - graph
The minimum or maximum points
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.

29. Of the seven of algebra's common graph's how many are neither?
(-infinity - +infinity)
(-infinity - 0]you[0 - +infinity)
Square Root
Down

30. x= a real number is what type of equation?
Conditional
(-infinity - 0]you[0 - +infinity)
1 -2 -3
Piecewise

31. What is the range of the constant function?
The second set of components of an ordered pair
The single number y=
Function notation
Y

32. Which direction does f(x+c) move
Horizontal left
4 -6 -9
Y=b
F(x) = x

33. x= a real number is what type of equation?
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
F of g and g of f
Conditional
As equations

34. $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?
Yes - all the domains points to one range
Yes - all the domains points to one range
Horizontal left
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

35. What is the domain of an identity function?
(-infinity - +infinity)
Parabola
Y= then enter the number then press graph
Y=IxI

36. x=no real numbers is what type of an equation?
Inconsitent
Inconsistant
Only one
The second set of components of an ordered pair

37. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
4 -6 -9
In a quotient
Y=b
Y=IxI

38. Of the seven of algebra's common graph's how many are even?
Odd
Down
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Absolute Value - Constant and Standard Quadratic

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

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40. What is the domain for a standard quadratic function?
(-infinity - +infinity)
Y=b
Function notation
F(x)=3 square root x

41. What is a constant function?
F(x^1)=f(x^2)
F of g and g of f
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
Perpendicular line

42. What are the four steps for solving a linear equation?
F(x)=suare root of x
(-infinity - +infinity)
Cannot be drawn in quizlet
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. y=f(cx) What does this formula represent?
(-infinity - +infinity)
1 -2 -3
F(x) = x
0<c<1 - horizontal stretching

44. How would this formula move f(x)=(x+1)^2-3
Parabola - up one and right three
Any set of ordered pairs
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

45. What can we substitute for f(x)?
Y
X is the hours to repair the boat. $1603-532=anwser/63 = x
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.
The minimum or maximum points

46. How are functions normally written?
As equations
2nd key - x^2 - graph
0<c<1 - horizontal stretching
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.

47. What are the calculator instructions for the standard cubic function?
X math 3 graph
Even
1 -2 -3
(-infinity - +infinity)

48. How many ranges can you have for each domain?
1 -2 -3
Even
Only one
F(x^1)=f(x^2)

49. Which direction does f(x)=+c move in standard absolute value formula?
Equation of a line
Odd
Up
(-infinity - +infinity)

50. A. $20 +.05 per min B. $5 +.10 per min - What is x and how do you set up the formula?
Even
Cannot be drawn in quizlet
20+.05x=5+.10x x=minutes
Yes - all the domains points to one range

Can you answer 50 questions in 15 minutes?

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College Algebra Test

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