SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
College Algebra Test
Start Test
Study First
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 vertical line formula?
X=a
Undefined slope
2nd key - x^2 - graph
20+.05x=5+.10x x=minutes
2. How do you calculate a constant function in your calculator?
The secant line
Y= then enter the number then press graph
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Even
3. Of the seven of algebra's common graph's how many are odd?
[0 -+infinity)
The second set of components of an ordered pair
Three odd - cube root - identity - standard cubic
(-infinity - 0]you[0 - +infinity)
4. What type of slope do horizontal lines have?
F(x+h)-f(x)/h h cannot equal zero
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
F(x)=IxI
Same
5. What points do you use to plot the inverse on a graph?
Y=10
Identity
The first set of components of an ordered pair
The opposite coordinates
6. What type of slope do you have when a line rises from left to right and m>0?
Approach neg toward x through zero and above positive close to x
Postiive slope
Horizontal left
Parabola
7. What type of line is a constant function?
Horizontal
Piecewise
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
Zero slope
8. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
Any set of ordered pairs
1 -2 -3
(f+g) - (f-g) - (fg) - (f/g) all of x
Y=x - identity function
9. What is a range?
[0 -+infinity)
1 -2 -3
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
The second set of components of an ordered pair
10. Is a constant function even - odd or neither?
Even
Inconsitent
Y=x - identity function
Postiive slope
11. What are the calculator instructions for the cube root function?
Inconsitent
F of g and g of f
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.
Math 4 x - graph
12. What does the average rate of change formula solve?
The slope of a line containing two points
(-infinity - +infinity)
Piecewise
Y
13. What does linear equation mean?
Equation of a line
Y= then enter the number then press graph
0<c<1 - horizontal stretching
(-infinity - +infinity)
14. Of the seven of algebra's common graph's how many are neither?
Up
Square Root
(-infinity - +infinity)
(-infinity - +infinity)
15. Two vertical lines side by side are a symbol for what
(-infinity - +infinity)
Parraelle line
Cannot be drawn in quizlet
F(x)=suare root of x
16. What type of line is an identity function?
(-infinity - +infinity)
Neither
0<c<1 - horizontal stretching
45 degree angle
17. What is a relation?
Line ascending to the right gradually
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
F(x^1)=f(x^2)
Any set of ordered pairs
18. What are the steps for solving a word problem?
(-infinity - 0]you[0 - +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
Parraelle line
A V
19. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
The opposite coordinates
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
Change in y / change in x = rise / run = y2-y1 / x2-x1
4 -6 -9
20. What does the graph of the cube root function look like on the graph?
Y=x^2 - graph
Approach neg toward x through zero and above positive close to x
Even
Y
21. What is the letter used to represent slope?
Change in y / change in x = rise / run = y2-y1 / x2-x1
Y=x - identity function
M
(-infinity - +infinity)
22. What are the calculator instructions for the standard cubic function?
Same
Math 4 x - graph
X math 3 graph
Cannot be drawn in quizlet
23. What is the formula for an identity function?
F(x) = x
(-infinity - +infinity)
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.
Mirror image neg quadrant to that of the positive quandrant
24. y=f(cx) - What does this formula represent?
(-infinity - 0]you[0 - +infinity)
C>1 - horizontal shrinking
(-infinity - 0]you[0 - +infinity)
Y=b
25. What is the range for an absolute value function?
(-infinity - 0]you[0 - +infinity)
Identity
The slope of a line containing two points
2nd key - x^2 - graph
26. What is the formula for the square root function?
X^2
Any set of ordered pairs
F(x)=suare root of x
Yes because two x's or domains can point to one y
27. What is a constant function?
(-infinity - +infinity)
Conditional
Horizontal right
F(x^1)=f(x^2)
28. What is the range for an absolute value function?
Y=x - identity function
Parraelle line
F(x)=+c and f(x)-c
(-infinity - 0]you[0 - +infinity)
29. What type of slope do you have when a line falls left to right and m<0?
Negative slope
Line ascending to the right gradually
X is the hours to repair the boat. $1603-532=anwser/63 = x
Neither
30. How many domains can you have pointing to one range?
Identity
Because the demintor of a quotient can never equal zero
Odd
As many as you like
31. What type of function would you use to calculate the most advantageous cell phone plan?
Y= then enter the number then press graph
Piecewise
A line passing through two distinct points
F(x) = x
32. What is another way of writing the absolute value function?
Neither
Y=IxI
Parabola - up one and right three
P=2w+2L w=x and l=w+200 2x+2(x+200)=1040
33. What does the standard cubic function look like on a graph?
Mirror image neg quadrant to that of the positive quandrant
F(x^1)=f(x^2)
A line passing through two distinct points
Undefined
34. Is an identity function even - odd or neither?
Odd
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
Negative slope
Parabola
35. What is the slope intercept formula? Define all the variables.
2nd key - x^2 - graph
[0 -+infinity)
Set the x and y to zero and get the intercepts and then plot the points
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
36. What is the slope of a perpendicular line?
4 -6 -9
Postiive slope
Negative inverse
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
37. Camera sales price $276 and that is 40% off - What is the original sale price? What does x =?
X is the hours to repair the boat. $1603-532=anwser/63 = x
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
X = the original sale price and the formula is x - .40x =$276
Zero slope
38. What is the slope intercept formula? Define all the variables.
(-infinity - +infinity)
When does a graph not define y as a function of x?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
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
39. y^2+x=4 is this a function? Why?
40. What does the average rate of change formula solve?
F(x+c) and f(x-c)
The slope of a line containing two points
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
Cannot be drawn in quizlet
41. What is the domain for a standard quadratic function?
F(x)=x^3
The first set of components of an ordered pair
(-infinity - +infinity)
2nd catalog (zero key -) abs(x) - graph
42. 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
Y=x^2 - graph
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
43. What does the graph of the cube root function look like on the graph?
Change in y / change in x = rise / run = y2-y1 / x2-x1
Approach neg toward x through zero and above positive close to x
Cannot be drawn in quizlet
2nd key - x^2 - graph
44. What type of function would you use to calculate the most advantageous cell phone plan?
Even
X = the original sale price and the formula is x - .40x =$276
Cannot be drawn in quizlet
Piecewise
45. What is slope?
F(x)=+c and f(x)-c
Three odd - cube root - identity - standard cubic
Undefined
A line passing through two distinct points
46. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
(-infinity - +infinity)
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Yes - all the domains points to one range
4 -6 -9
47. x=no real numbers is what type of an equation?
Inconsistant
Cannot be drawn in quizlet
X2-x1 because the demonaitor of a quotient can never equal zero
Perpendicular line
48. f(x) = x^2+3x+5 - what type of formula is this?
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.
Horizontal left
Function notation
X=a
49. What are the four steps for finding the inverse of a function?
Y=x - identity function
Conditional
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
(-infinity - +infinity)
50. When is the only time (-infinity - +infinity) is not the domain?
Any set of ordered pairs
Even
In a quotient
Y=10