change to slope intercept form
change to standard form
equations
function notation
Word Problems
100
y-4 = 1/3(x-2)
y = 1/3x + 3 1/3
100
y + 6 = 4(x-3)
-4x + y = -18
100
6 = a/4 + 2
a = 16
100
solve for range when x = 5 f(x) = 3x - 4
f(5)=11
100
Tarus earns $12 an hour for babysitting and $8 for washing dishes at the local restaurant. The total amount he makes for the week can be represented as T=12b+8d, what is a way to represent this in terms of the hours she washes dishes?
d= (t-12b)/8
200
y-6 = 2/5(x-4)
y = -2/5x + 4 2/5
200
y = 3/5x + 7
-3x + 5y = 35
200
7(9+k)=84
k = 3
200
solve for range when domain equals 2 g(x) = 2x + 7
g(2) = 11
200
Jacob is saving for a new bike. It costs T. He already saved $35. He will save money for 6 weeks. If d represents the amount saved each week, how can you represent the equation? (Solve for d.)
d= (t-35)/6
300
5x + 6y = 16
y = -5/6x + 12 2/3
300
y-8 = 3/2(x-1)
-3x + 2y = 13
300
4m-4=4m
no solution (variable cancels out)
300
Function or non-function -explain why (1,5) (-6,6) (-3,4) (5,6) (6,3)
function ; x does not repeat
300
George is 52 years old. Janice is 3 years less than a third of George’s age. The equation of this can be represented as 1/3G-3=J . How old is Janice?
1/3(52)-3=14
400
y + 4 = 4/9(x+3)
y = 4/9x - 2 2/3
400
y = -1/6x + 2
x + 6y = 12
400
2(4x-3)-8 = 4 + 2x
x = 3
400
f(x) = x + 5….g(x) = 2x -4 solve for f(-2) + g(4)
7
400
A restaurant on an average serves 75 customers in an hour. In 8 hours (x) the restaurant served 600 customers (y). How can you represent this in point slope form? b. At Manny’s pizza, the price per topping is on a large cheese pizza costs $1.25. If 3 toppings cost $11.75, what is a way to represent this function?
(y-75)=8(x-600)
500
7x + 8y = 12
y= -7/8x + 1 1/2
500
y + 1/3 = 3/5(x-6)
-9x + 15y = -59
500
-5(1-5x) + 5(-8x-2) = -4x-8x
x = -5
500
what is the domain fgx) = 1/2x - 2
negative infinity to positive infinity
500
A map has a scale of 1 in. : 25 mi. Two cities are 175 mi apart. How far apart are they on the map?
7 inches
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