

3rd Nine Weeks Math Benchmark
Presentation
•
Mathematics
•
8th Grade
•
Medium
Jullianna Fulghum
Used 14+ times
FREE Resource
7 Slides • 24 Questions
1
3rd Nine Weeks Math Benchmark
Practice for the upcoming benchmark.

2
Reminders:
A line has 180º.
A triangle also has 180º.
3
Unit Rate
Unit rate is over one
Ex: The unit rate represents the cost per 1 pound.
4
Can you write the equation?
Can you find the slope?
Find the slope by using rise over run.
Can you find the y-intercept?
The y-intercept is not given, so you can use the slope to extend the line until it touches the y-axis.
5
What are the Types of Solutions?
No Solution
One Solution
Infinitely Many Solutions
6
Plugging in
If a question gives you an equation and a number, plug the number in.
Remember: if you plug in, you must use parentheses.
7
System of Equations
The solution to a system of equations MUST make BOTH statements TRUE.
8
Multiple Choice
Consider the system of equations.
y=−4x+7
y=−32x+2
What is the solution to the system of equations?
(1, 23)
(1,3)
(23, 1)
(3,0)
9
Multiple Choice
Which graph represents the linear equation y=−21x+8 ?
A
B
C
D
10
Multiple Choice
The distance around the Earth at the equator is approximately 40,075,000 km. What is this estimated distance in scientific notation?
4.01×10−8km
4.01×10−7km
4.01×108km
4.01×107km
11
Multiple Choice
The graph of the linear function passes through points (2,−5) and (3,7) . What is the rate of change of the function?
-12
−1912
1912
12
12
Multiple Choice
Which fraction is equivalent to 0.916
1211
1917
1913
1712
13
Multiple Select
Which two equations are true?
A. (6×102)⋅(1.5×10−4)=9×10−8
B. (6×102)÷(1.5×10−4)=4×106
C. (6×10−2)⋅(1.5×104)=9×102
D. (6×10−2)÷(1.5×104)=4×102
E. (6×10−2)⋅(1.5×104)=4×106
A
B
C
D
E
14
Multiple Choice
A convenience store sells 30 small bottles and 45 large bottles of soda. The store sells 22 bottles of grape soda, 30 bottles of orange soda, and 23 bottles of lemon-lime soda.
Which two-way frequency table represents the data?
15
Multiple Choice
Which function is linear?
A
B
C
D
16
Multiple Choice
Consider the line on the graph.
Which equation represents the linear relationship shown by the graph?
y=−3x+5
y=−31x+5
y=3x+5
y=31x+5
17
Multiple Choice
The equation v=3.2t+8 represents the velocity, v, of an object under a constant acceleration after a certain number of seconds, t. What is the meaning of the v-intercept?
***What letters could you change v and t to instead?
The acceleration at t=0
the initial velocity at t=0
the time t
the velocity at time t
18
Multiple Choice
What is the value of 24⋅4−1⋅612⋅40⋅62 when simplified?
31
2
38
3
19
Multiple Choice
What is the solution to the equation 43(8x−4)=7x+2
-6
-5
-2
-1
20
Multiple Choice
Which equation represents a nonlinear function?
y=+2(x−1)2+6
y=−23(x+3)−4
y=54x−11
4y−8x=16
21
Multiple Choice
Consider the scatter plot?
Which best describes the linear function that is a line-of-best fit for the data in the scatter plot?
The line goes through the first and last points.
The line goes through ever single point.
The line is above all points in the scatter plot.
The line minimizes the distance to each point.
22
Multiple Choice
Consider the graph.
Which equation represents a proportional relationship with the same slope as the graph?
y=101x
y=101+x
y=10x
y=10+x
23
Multiple Choice
A student graphs points on the coordinate plane.
(7,−9),(−4,10),(13,0),(6,10),(−9,0),(−4,1)
(−4,10)
(7,−9)
(13,0)
(−9,0)
24
Multiple Choice
Consider the system of equations.
What is the solution of the system of equations?
(−5,−3)
(−5,3)
(−3,−5)
(−3,5)
25
Multiple Choice
Which statement best describes the equation
−2(2x−4)=16−4(3+x)
The equation has infinitely many solutions.
The equation has no solution.
The equation has one solution at x=0 .
The equation has one solution at x=−4 .
26
Multiple Choice
Which expression is equivalent to 5−3
251
151
5⋅5⋅5−5
−5⋅−5⋅−5
27
Multiple Select
Consider the equations.
For which two equations is x=4 a solution?
Equation 1
Equation 2
Equation 3
Equation 4
Equation 5
28
Multiple Choice
The height of a 7-inch candle decreases by 2 inches every hour after being lit.
The graph is linear and decreasing.
The graph is linear and increasing.
The graph is nonlinear and decreasing.
The graph is nonlinear and increasing.
29
Multiple Choice
Pizzeria 1 and Pizzeria 2 each charge a bas fee for a cheeses pizza plus an additional charge per topping. The equation C=0.75t+5.99 represents the cost, C for t toppings at Pizzeria 1. The tables shows the costs of pizzas with different amounts of toppings at Pizzeria 2.
Which pizzeria charges more for a 5-topping pizza and by how much?
Pizzeria 1 charges more than Pizzeria 2 by $0.15.
Pizzeria 1 charges more than Pizzeria 2 by $0.65.
Pizzeria 2 charges more than Pizzeria 1 by $0.15.
Pizzeria 2 charges more than Pizzeria 1 by $0.65.
30
Multiple Choice
The table shows the number of students who wear green on St. Patrick's Day.
Approximately what percentage of students do not wear green?
35%
55%
65%
74%
31
Multiple Select
Consider the values.
(2+π), 2π, 32, 3π, 40
Which two values are between 6 and 7 on a number?
(2+π)
2π
32
3π
40
3rd Nine Weeks Math Benchmark
Practice for the upcoming benchmark.

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