Identify the slope and y-intercept for each linear function's equation.

column a
1. x - 3 = y

2. -x + 3 = y

3. y = 3x - 1

4. y = 1 - 3x

column b
a. m = 3; b = -1

b. m = -3; b = 1

c. m = -1; b = 3

d. m = 1; b = -3

4. b.

3. a.

2. c.

1. d.

Step-by-step explanation:

In the Slope-Intercept Formula, b represents the y-intercept, and the rate of change [slope] is represented by m, so be EXTREMELY CAREFUL labeling each equation.

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the answer is a

step-by-step explanation:

39.00 x 24 = total installment price

carrying installment price - cash price

needed to save the .00/

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional