9th
grade

Mathematics

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Joni Hutcherson

4 years

Mathematics

9th

grade

2nd Six Weeks Test Review

Joni Hutcherson

12
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12 questions

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1. Multiple Choice
30 seconds
1 pt
Which of the following statements about the graph of x = 3 is FALSE.
The line is vertical
The slope is undefined
The graph is parallel to the x-axis
2. Multiple Choice
30 seconds
1 pt
What is the equation of the line that contains the point (-2, 5) and has a slope of -3?

$y-5=-3(x+2)$
$y+5=-3(x-2)$
$y+2=-3(x-5)$
$y-2=-3(x+5)$
3. Multiple Choice
30 seconds
1 pt
Which equation can be represented by the graph shown?
$6x-8y=24$
$6x+8y=24$
$-6x+8y=24$
$-6x-8y=24$
4. Multiple Choice
30 seconds
1 pt
If the trend in the graph continues, what will be the water level on day 18? (Hint: turn the points into a table on Desmos)
20.5 ft
19.25 ft
21.02 ft
18 ft.
5. Multiple Choice
30 seconds
1 pt
Which linear equation passes through (4, 7) and is perpendicular to y = 4x - 8?
$y=-\frac{1}{4}x+8$
$y=\frac{1}{4}x-8$
$y=4x-9$
$y=4x+3$
6. Multiple Choice
30 seconds
1 pt
In which situation is both correlation and causation likely?
hours spent studying and your test grade
number of shoes you own and the size of your feet
ice cream sales and number of sunburns
number of schools and a city's population
7. Multiple Choice
30 seconds
1 pt
If y varies directly with x, and y = 15 when x = 27, what is the value of x when y = 85?
153
47.2
4.7
1.8
8. Multiple Choice
30 seconds
1 pt
What is the equation of the line of best fit for the data in the table?
$y=-0.54x+19.80$
$y=0.96x-0.98$
$y=19.80x-0.54$
$y=0.54x-19.80$
9. Multiple Choice
30 seconds
1 pt
Which statement is true about the correlation coefficient of the data?
$r=-0.98$ ; the relationship between age and body mass has a strong negative correlation.
$r=-0.98$ ; the relationship between age and body mass has a strong positive correlation.
$r=0.98$ ; the relationship between age and body mass has a strong negative correlation.
$r=0.98$ ; the relationship between age and body mass has a strong positive correlation.
10. Multiple Choice
30 seconds
1 pt
What is the zero (x-intercept) of $g\left(x\right)\ =\ \frac{2}{3}x-10$
15
-10
0
2/3
11. Multiple Choice
30 seconds
1 pt
Write an equation for the following situation:
At a restaurant jars of tomato sauce are stored in boxes in the pantry. Each box contains 8 jars of tomato sauce. A cook uses 2 jars from one of the boxes.
$y=8x+6$
$y=8x$
$y=8x-2$
$y=6x$
12. Multiple Choice
30 seconds
1 pt
Line a passes through the points (4,5) and (1,6)
Line b passes through the points (1,3) and (5,9)
Which of the following statements is true?
Lines a and b are parallel
Lines a and b are perpendicular
Lines a and b intersect but are not perpendicular
Lines a and b are the same line
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