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3 years ago

PLS HELP ASAP:( I NEED ANSWER RN SORRYY HELLPPP

Mathematics

1 answer:

kolezko [41]3 years ago

3 0

Answer:

1. y=3x+3

2. y=3x+1

Step-by-step explanation:

Use y=mx+b

Sub (0,3) into y=mx+b

3=m(0)+b

b=3

Sub (3,9) into y=mx+3

9=m(3)+3

3m=6

m=2

EQUATION: y=3x+3

Sub (1,4) into y=mx+b

4=m(1)+b

b=4-m

Sub (3,10) into y=mx+(4-m)

10=3m+4-m

2m=6

m=3

b=4-m=4-3=1

EQUATION:y=3x+1

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