Lesson 2.6 HW check

Which equation is equivalent to the equation

 $6x+9=12\ ?$  

•  $x+9=6$  

•  $2x+3=4$  

•  $3x+9=6$  

•  $6x+12=9$  

Select all the equations that have the same solution as the equation  $3x-12=24$  .

•  $15x-60=120$  

•  $3x=12$  

•  $3x=36$  

•  $x-4=8$  

•  $12x-12=24$  

Jada has a coin jar containing n nickels and d dimes worth a total of $3.65. The equation   $0.05n+0.1d=3.65$  is one way to represent this situation.Which equation is equivalent to the equation  $0.05n+0.1d=3.65$ ?

•  $5n+d=365$  

•  $0.5n+d=365$  

•  $5n+10d=365$  

•  $0.05n+0.1d=365$  

 $2x-5=15$  Select all the equations that have the same solution as 

•  $2x=10$  

•  $2x=20$  

•  $2\left(x-5\right)=15$  

•  $2x-10=0$  

•  $15=5-2x$  

The number of hours spent in an airplane on a single flight is recorded on a dot plot. The median is 4 hours.

The value 26 hours is an outlier that should not have been included in the data.

When the outlier is removed from the data set, what is the median?

• 3.5 hours

• 4 hours

• 3 hours

• 5 hours

A basketball coach purchases bananas for the players on his team. The table shows total price in dollars, P, of n bananas.

Which equation could represent the total price in dollars for n bananas?

• 
  

  $P=0.59n$
  

• $P=5.90-59n$

• $P=\frac{5.90}{n}$

• $P=n+0.59$

Kiran is collecting dimes and quarters in a jar. He has collected $10.00 so far and has  dimes and  quarters. The relationship between the numbers of dimes and quarters, and the amount of money in dollars is represented by the equation  $0.1d+0.25q=10$  
Select all the values  $\left(d,q\right)$   that could be solutions to the equation.

• (100,0)

• (20,50)

• (50,20)

• (0,100)

• (10,36)

Here is a graph of the equation  $3x-2y=12$  . 
Select all coordinate pairs that represent a solution to the equation.

• (2,-3)

• (4,0)

• (5,-1)

• (0,-6)

• (2,3)

Jada bought some sugar and strawberries to make strawberry jam. Sugar costs $1.80 per pound, and strawberries cost $2.50 per pound. Jada spent a total of $19.40.

Which point on the coordinate plane could represent the pounds of sugar and strawberries that Jada used to make jam?

• Point A

• Point B

• Point C

• Point D

The number of points Jada's basketball team scored in their games have a mean of about 44 and a standard deviation of about 15.7 points.

Interpret the mean and standard deviation in the context of Jada's basketball team.

• Jada's team scored about 44 points on average but there was a no variability.

• The team scored between 28 points and 62 points

• All games have approximately the same scores

• Jada's basketball team won the most of the games