Algebra 1
Name: ___________________________
Period: ________Date_______________
Assignment 7.5
The following chart shows the amount
of sodium and calories in various hot
dogs.
The scatter plot below shows the number
of females pushing a baby stroller on
various days at the park versus the total
number of baby strollers in the park.
Calories
1. Predict the amount of sodium in
a hot dog with 225 calories.
The following scatter plot shows
various children’s height in
centimeters vs age in months.
2. Using the line of best fit, predict
height at 32 months.
3. About how old would a child 80
centimeters tall?
Created 6/2009
4.
Using the line of best fit, how
many women would be pushing
strollers if there were 20 strollers
in the park?
The scatter plot above shows height of a
tightrope wire in feet versus the length of
the tightrope walkers walk in feet.
5.
If the tightrope is 80 feet high,
predict what the length of the
walk would be.
6.
How long would the walk be if
the wire was 20 feet high?
Algebra 1
Name: ___________________________
Period: ________Date_______________
Bungee Jumpers were comparing the
number of jumps they made this year. The
scatter plot below shows the number of
jumps by age of the bungee jumper.
Created 6/2009
Amount in bank (in $1000’s)
7. Which of the following
statements appear to be true?
(There could be more than one.)
a. 20 yr olds jumped about 30
times
b. The younger the jumper the
more jumps they made.
c. The oldest jumper was 80.
d. The average age was 40.
e. The older the jumper the
more jumps they made.
8. The following graph shows (in $1000’s)
a comparison between a person’s
spending habits and the amount of money
that they have in the bank:
Spent (in $1000’s)
From the graph, which of the following
statements is true?
a. The more money spent, the
more money is in the bank
account.
b. The less money spent, the
less money is in the bank
account.
c. The more money spent, the
less money is in the
account.
d. The less money spent, the
more property they own.
Algebra 1
9. Write the equation of the line, in slopeintercept form, that passes through the
point (8, -2) and has a slope of -4.
Name: ___________________________
Period: ________Date_______________
13. 6x + 5 – 4x > 3x + 6
14. Graph the linear inequality –x – 3y < 6
10. Write the equation of the line, in slopeintercept form that passes through the
points (-3, 1) and (9, 5)
11. Solve: |5x| - 3 = 12
12. Solve: |2x + 3| = 15
Created 6/2009
15. Graph the linear inequality 2x – 3y > 12