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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 the range of the cube root function?
20+.05x=5+.10x x=minutes
Piecewise
(-infinity - +infinity)
F(x)=IxI

2. What is another way of writing the absolute value function?
The single number y=
X is the hours to repair the boat. $1603-532=anwser/63 = x
Y=IxI
Horizontal right

3. Of the seven of algebra's common graph's how many are neither?
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
F of g and g of f
Square Root

4. What is a domain?
C>1 - horizontal shrinking
Conditional
The first set of components of an ordered pair
Odd

5. What does the square root function look like on a graph?
45 degree angle
Line ascending to the right gradually
F(x) = x
Identity

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

7. How do you graph Ax+By+C=0?
Inconsistant
20+.05x=5+.10x x=minutes
No because you cannot have one domain pointing at two y's or ranges
Set the x and y to zero and get the intercepts and then plot the points

8. What is the vertical line formula?
X=a
Undefined slope
Neither
Odd

9. What is the domain for the standard cubic function?
(-infinity - +infinity)
Down
X math 3 graph
45 degree angle

10. What is a function?
2nd catalog (zero key -) abs(x) - graph
Odd
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Y=x - identity function

11. What are the calculator instructions for a standard quadratic equation?
Y=x^2 - graph
X = the original sale price and the formula is x - .40x =$276
Negative inverse
Math 4 x - graph

12. What is the domain for an absolute value function?
(-infinity - +infinity)
Conditional
Negative inverse
Postiive slope

13. What is the average rate of change formula?
F(x2)-f(x1) / x2-x1
Y= then enter the number then press graph
F(x)=+c and f(x)-c
The slope of a line containing two points

14. What are the calculator instructions for a standard quadratic equation?
Y=x^2 - graph
Undefined slope
M
Y=b

15. What shape is the standard quadratic function?
Math 4 x - graph
Cannot be drawn in quizlet
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Parabola

16. What is a constant function?
Equation of a line
F(x2)-f(x1) / x2-x1
F(x^1)=f(x^2)
Change in y / change in x = rise / run = y2-y1 / x2-x1

17. What is the point slope formula and when do you use it?
F(x^1)=f(x^2)
As equations
Horizontal right
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

18. Is an identity function even - odd or neither?
Negative inverse
Odd
The first set of components of an ordered pair
20+.05x=5+.10x x=minutes

19. y=f(cx) What does this formula represent?
(-infinity - 0]you[0 - +infinity)
(-infinity - +infinity)
As equations
0<c<1 - horizontal stretching

20. What are the steps for solving a word problem?
Perpendicular line
Three odd - cube root - identity - standard cubic
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?

21. standard absolute value - vertical shift formulas for positve and negative
F(x)=+c and f(x)-c
Conditional
X=a
Square Root

22. What type of line is a constant function?
4 -6 -9
Horizontal
Identity
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.

23. What is the formula for slope?
Change in y / change in x = rise / run = y2-y1 / x2-x1
F(x)=IxI
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

24. Outline the piece wise function and explain it? if the base plan is $20 and each minute over one hour is .40 cents?
The opposite coordinates
X^2
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)

25. What is the formula for the cube root function?
A line passing through two distinct points
F(x)=3 square root x
The single number y=
(-infinity - +infinity)

26. Is a standard quadratic function even - odd or neither?
X is the hours to repair the boat. $1603-532=anwser/63 = x
The slope of a line containing two points
Even
Cannot be drawn in quizlet

27. What is a range?
X math 3 graph
20+.05x=5+.10x x=minutes
The second set of components of an ordered pair
Y

28. In an identity function if f(10)=x than What is y?
Y
Yes - all the domains points to one range
Y=10
0<c<1 - horizontal stretching

29. 4(x-7)=4x+28 is what type of an equation?
Conditional
Function notation
Parabola
Inconsitent

30. A flat line underlining one vertical line is a symbol for...
Parraelle line
Horizontal
Perpendicular line
F(x^1)=f(x^2)

31. What does the average rate of change formula solve?
The slope of a line containing two points
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
Three odd - cube root - identity - standard cubic
Undefined

32. When is the only time (-infinity - +infinity) is not the domain?
Change in y / change in x = rise / run = y2-y1 / x2-x1
X math 3 graph
Absolute Value - Constant and Standard Quadratic
In a quotient

33. In an identity function if f(10)=x than What is y?
Undefined
X is the hours to repair the boat. $1603-532=anwser/63 = x
X=a
Y=10

34. 4(x-7)=4x+28 is what type of an equation?
C>1 - horizontal shrinking
[0 -+infinity)
Even
Inconsitent

35. 4x+5x=8x is what type of an equation?
Parabola
The second set of components of an ordered pair
F(x)=IxI
Conditional

36. What is the formula for to calculate the difference of a quotient function?
Parabola
F(x+h)-f(x)/h h cannot equal zero
Horizontal left
Function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

37. Is an identity function even - odd or neither?
4 -6 -9
Odd
F(x)=+c and f(x)-c
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.

38. Of the seven of algebra's common graph's how many are odd?
Same
Three odd - cube root - identity - standard cubic
Conditional
The secant line

39. x=all real numbers is what type of an equation?
The second set of components of an ordered pair
Because the demintor of a quotient can never equal zero
Identity
Parabola - up one and right three

40. What is the formula for an absolute value function?
Approach neg toward x through zero and above positive close to x
Odd
Parabola
F(x)=IxI

41. What is an identity function?
Identity
Neither
Because the demintor of a quotient can never equal zero
45 degree angle

42. What is the vertical line formula?
(-infinity - +infinity)
Identity
X=a
Cannot be drawn in quizlet

43. Draw or discuss a decreasing function
Cannot be drawn in quizlet
F(x)=suare root of x
(-infinity - +infinity)
Y=10

44. y=f(cx) - What does this formula represent?
F(x)=IxI
(-infinity - 0]you[0 - +infinity)
C>1 - horizontal shrinking
Conditional

45. Is the square root function odd - even or neither?
20+.05x=5+.10x x=minutes
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.
Up
Neither

46. What is a relation?
C>1 - horizontal shrinking
(-infinity - +infinity)
Any set of ordered pairs
Even

47. 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
Cannot be drawn in quizlet
Negative slope
Inconsitent

48. What is the range for an absolute value function?
As many as you like
Y=IxI
(-infinity - 0]you[0 - +infinity)
Postiive slope

49. What is a constant function?
Postiive slope
F(x) = x
F(x^1)=f(x^2)
Parabola

50. x=all real numbers is what type of an equation?
2nd key - x^2 - 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
F(x)=suare root of x
Identity