9th
grade

Mathematics

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Johnette Hancock

3 years

Mathematics

9th

grade

Algebra 1 -- Unit 4 Review -- Linear Functions

Johnette Hancock

1
play

35 questions

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1. Multiple Choice
1 minute
1 pt
What is the equation of the line that passes through the point (2, -6) and has a slope of zero?
x=2
y=2
x=-6
y=-6
2. Multiple Choice
1 minute
1 pt
What is the equations and slope of the line shown on the grid?
x = -4; m = 0
y = -4; m = 0
x = -4; m = undefined
y = -4; m = undefined
3. Multiple Choice
1 minute
1 pt
Write an equation in slope-intercept form for a line that is parallel to
$5x+y=10$
$y=5x-3$
$y=-5x+2$
$y=\frac{1}{5}x-4$
$y=-\frac{1}{5}x+5$
4. Multiple Choice
1 minute
1 pt
Given the equation y = 9x - 4, what is the slope?
$m=-\frac{4}{9}$
$m=\frac{4}{9}$
$m=9$
$m=-4$
5. Multiple Choice
1 minute
1 pt
What is the slope of the line that passes through the points (4, -8) and (-2, 12)?
$m=-\frac{3}{10}$
$m=-\frac{10}{3}$
$m=-2$
$m=-\frac{3}{2}$
6. Multiple Choice
1 minute
1 pt
The value of y varies directly with x. If x=6, then y=18. What is the value of x when y=48?
16
144
8
288
7. Multiple Choice
3 minutes
1 pt
Write an equation in slope-intercept form when given (4, -8) and (-2, 12).
$y=-\frac{3}{10}x+\frac{16}{3}$
$y=\frac{16}{3}x+\frac{3}{10}$
$y=-\frac{10}{3}x-\frac{16}{3}$
$y=-\frac{10}{3}x+\frac{16}{3}$
8. Multiple Choice
3 minutes
1 pt

$y=\frac{3}{4}x-4$ What is the equation in slope-intercept form of the line that passes though the point (-3, 5) and is perpendicular to the line represented by
$y=-\frac{4}{3}x+1$
$y=\frac{4}{3}x+9$
$y=-\frac{3}{4}x+\frac{11}{4}$
$y=\frac{3}{4}x+\frac{29}{4}$
9. Multiple Choice
3 minutes
1 pt
What is the equation in slope-intercept form of the line that passes through the points (10, 7) and (5, 1)?
$y=-5x+\frac{6}{5}$
$y=\frac{6}{5}x-5$
$y=-\frac{6}{5}x+5$
$y=-\frac{5}{6}x-5$
10. Multiple Choice
2 minutes
1 pt
The function y = 2.93 + 3.06(x - 2) can be used to determine the cost in dollars to fill a car's gas tank with x gallons. What is the rate of change of the cost in dollars with respect to the number of gallons (cost per gallon)?
$2.93 per gallon
$5.99 per gallon
$6.12 per gallon
$3.06 per gallon
11. Multiple Choice
30 seconds
1 pt
Which graph has an x-intercept of 3 and a y-intercept of -5?
A
B
C
D
12. Multiple Choice
2 minutes
1 pt
Determine the x- and y-intercept of
$-2x-5y=-10$
(0, 5) and (2, 0)
(5, 0) and (0, 2)
(0, -5) and (-2, 0)
(-5, 0) and (0, -2)
13. Multiple Choice
2 minutes
1 pt
What is the domain and range of the graph?
$D:\ -6<x\le6$
$R:\ -5\le y<1$
$D:\ -5\le x<1$
$R:\ -6<y\le6$
$D:\ -5\le f\left(x\right)<1$
$R:\ -6<f\left(x\right)\le6$
$D:\ -2$
$R:\ -4$
14. Multiple Choice
3 minutes
1 pt
Which equation is best represented by this graph?
$𝑦-3=-\frac{1}{3}(𝑥-2)$
$𝑦-2=-\frac{1}{3}(𝑥+3)$
$𝑦+3=\frac{1}{3}(𝑥+2)$
$𝑦+2=\frac{1}{3}(𝑥-3)$
15. Multiple Choice
3 minutes
1 pt
Write an equation in point-slope form for the graph using the ordered pair (6, -1)
$𝑦-1=\frac{1}{3}(𝑥-6)$
$𝑦-1=-\frac{1}{3}(𝑥+6)$
$𝑦+1=-\frac{1}{3}(𝑥-6)$
$𝑦+1=\frac{1}{3}(𝑥-6)$
16. Multiple Choice
2 minutes
1 pt
What is the rate of change represented in the graph?
$10 per ticket
$30 for 4 tickets
$7.50 per ticket
Direct variation
17. Multiple Choice
5 minutes
1 pt
What is the meaning of the y-intercept of the graph?
The amount of money Leo pays per month is $5 per month.
Leo will pay off the phone in 25 months.
The initial cost of the phone is $220.
There is no meaning.
18. Multiple Choice
2 minutes
1 pt
Which scatter plot most likely has a line of best fit represented by y = -3x + 1?
A
B
C
D
19. Multiple Choice
3 minutes
1 pt
$7\left(p+3\right)+9=5\left(p-2\right)-3p$ What value of x makes the equation true?
$p=-\frac{1}{8}$
$p=\frac{1}{8}$
$p=-8$
$p=8$
20. Multiple Choice
1 minute
1 pt
What is the range of
$y=-x^2+3x+6$
$x\le8.25$
$x\ge8.25$
$f\left(x\right)\le8.25$
$f\left(x\right)\ge8.25$
All real numbers
21. Multiple Choice
30 seconds
1 pt
Simplify the expression
$16x^2-\left(x-5x^2\right)-4\left(3x+2\right)$
$11x^2-13x+8$
$21x^2-13x-8$
$11x^2-11x+8$
$11x^2+11x-8$
22. Multiple Choice
2 minutes
1 pt
$5e^2-\frac{2}{3}\left(9e-12\right)+4e^2$
$9e^2+6e+8$
$9e^2+6e-8$
$9e^2-6e-8$
$9e^2-6e+8$
23. Multiple Choice
1 minute
1 pt
What is the domain and range of the quadratic function shown?
$D:\ \left\{-1,\ 3\right\}$
$R:\$ All real numbers
$D:$ All real numbers
$R:$ All real numbers less than 3
$D:\ \left\{-3,\ 5\right\}$
$R:$ All real numbers greater than 3
$D:$ All real numbers
$R:$ All real numbers
24. Multiple Choice
1 minute
1 pt
The late fee for library books is $2.00 plus $0.15 for each day that a book is late. Write an equation in slope-intercept form for finding the total cost, y, of late fees for x number of days.
$y=2x+0.15$
$y=2\left(x+0.15\right)$
$y=0.15x+2$
$y=0.15\left(x-2\right)$
25. Multiple Choice
1 minute
1 pt
Which table represents y as a function of x?
Select all that apply.
26. Multiple Choice
1 minute
1 pt
What is the y-intercept?
$y=4$
$y=-5$
$y=\left\{1,\ 5\right\}$
$\left(-5,\ 0\right)$
27. Multiple Choice
1 minute
1 pt
What is the zero of the graph?
All real numbers
$x=\left\{3\right\}$
$\left(0,\ -1\right)$
$\frac{1}{3}$
28. Multiple Choice
1 minute
1 pt
What is the slope of the graph?
All real numbers
$x=\left\{3\right\}$
$\left(0,\ -1\right)$
$\frac{1}{3}$
29. Multiple Choice
1 minute
1 pt
What is the y-intercept of the graph?
All real numbers
$x=\left\{3\right\}$
$\left(0,\ -1\right)$
$\frac{1}{3}$
30. Multiple Choice
1 minute
1 pt
What is the domain of the graph?
All real numbers
$x=\left\{3\right\}$
$\left(0,\ -1\right)$
$\frac{1}{3}$
31. Multiple Choice
30 seconds
1 pt
What is the slope of the graph?
$m=3$
$m=-3$
$m=\frac{1}{3}$
$m=-\frac{1}{3}$
32. Multiple Choice
3 minutes
1 pt
The number of muffins is directly proportional to the number of cupcakes sold in a month. If a certain shop sells 35 muffins for every 24 cupcakes sold, how many muffins were sold if 360 cupcakes were sold?
302400
2.3
247
525
33. Multiple Choice
2 minutes
1 pt
The value of 𝑦 varies directly with 𝑥. If 𝑦=16 when 𝑥=6, what is the value of 𝑥 when 𝑦=4?
$x=\frac{3}{2}$
$x=\frac{32}{3}$
$24$
384
34. Multiple Choice
2 minutes
1 pt
The value of 𝑦 varies directly with 𝑥. If 𝑦=−3 when 𝑥=6, what is the value of 𝑦 when 𝑥=6?
$y=3$
$y=-18$
$y=-3$
$y=-12$
35. Multiple Choice
30 seconds
1 pt
Given the function, $f\left(x\right)=x^2+3x-2$ , determine $f(-4)$ .
-30
8
2
-6
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Algebra 1 -- Unit 4 Review -- Linear Fun...

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