Wordz
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Pretty Graphs
What is ittttt?
Slope at the dinner table
Remember Equations??
100
Billy plans to paint baskets. The paint costs $14.50. The baskets cost $7.25 each.
1. Write an equation that gives the total cost as a function of the number of baskets made.
2. Determine the cost of four baskets.
y = 7.25x + 14.50
$43.50
100
(5, 7) and (3, 6)
What is
1/2
100
What is the slope of the graphed line?
What is m=-2
100
What is slope intercept form?
y = mx + b
100
1 4
2 6
3 8
4 12
2/1 or 2
100
How many solutions does the equation below have? One solution? no solution? infinitely many solutions?
4(x + 3) = 3x + 2 + x
no solution
200
A sunflower in Julia Rosario's garden was 12 centimeters tall when it was first planted. Since then, it has grown approximately 0.6 centimeters per day. Write an equation expressing the sunflower's height in terms of the number of days since it was planted.
y = .6x + 12
200
(2, 5) and (8, 1)
What is
-2/3
200
What is the slope of the graphed line? 
What is m= -1/2
200
What is the slope? What is the y intercept?
y = 3x - 5
m = 3
b = -5
200
2 0
5 4
8 8
11 12
4/3
200
How many solutions does the equation below have? One solution? no solution? infinitely many solutions?
3x + 5 + 2x = 12 + 4x
one solution x=7
300
Felicia Johnson paid $125 to join a tennis club. She pays an additional $5 every time she uses one of the club's tennis courts.
1. Write an equation that describes Felicia's total cost for playing tennis
2. Felicia does not want to spend more than $275 to play tennis during the summer. What is the maximum number of times that she can play tennis on the club's courts for this amount?
y = 5x +125
max is 30 times
300
(0, 25) and (10, 0)
What is
-5/2
300
What is the slope of the line? 
What is m= 2/3
300
What equation has:
Slope: 1/2
Y - intercept: -3
y= 1/2x-3
300
5 10
0 7
-5 4
-10 1
-3/5
300
How many solutions does the equation below have? One solution? no solution? infinitely many solutions?
5(x+2) - 3x = 2(x+5)
infinite solutions
400
The cost of a school banquet is $95 plus $15 for each person attending.
1. Write an equation that gives total cost as a function of the number of people attending.
2. What is the cost for 77 people?
y = 15x + 95
$1250
400
(2,3) and (9,7)
What is
4/7
400
What is the slope, and y-intercept of the line? 
What is m=-2/3, y-int.=2
400
This is the slope-intercept form of this standard form equation:12x-9y=-9
What is y=4/3x+1
400
9 3
18 6
27 9
36 12
3/9 or 1/3
400
How many solutions does the equation below have? One solution? no solution? infinitely many solutions?
3x - x + 4 = 4(2x - 1)
one solution x = 4/3
500
If a large factory sells its new gadgets for $5 each, it can sell 1050 per month, and if it sells the same gadgets for $9, it will sell 900 per month.
Assuming the relationship between price and sales is linear, predict the monthly sales of gadgets to the nearest whole number if the price is $12.
y = -37.5x + 1237.5
788 gadgets
500
(0,10) and (5, -5)
What is -3?
500
What is the slope, y-intercept, and x-intercept of the line graphed below? 
what is m=-1/2, y-int. = 1, x-int. = 2
500
What is the equation of the line?
y=1/2x+3
500
1 2
2 2
3 2
4 2
slope = 0
500
How many solutions does the equation below have? One solution? no solution? infinitely many solutions?
2x - x + 7 = x + 3 + 4
infinite solutions