Answer :
Answer:
y = 2x + 7
Step-by-step explanation:
→ Find the gradient
[tex]\frac{13-5}{3--1} =2[/tex]
→ Write into y = mx + c format
y = 2x + c
→ Substitute in x = -1 and y = 5
5 = -2 + c ∴ c = 7
→ Write into y = mx + c format
y = 2x + 7
Answer:
y = 2x + 7
Step-by-step explanation:
→ Find the gradient
[tex]\frac{13-5}{3--1} =2[/tex]
→ Write into y = mx + c format
y = 2x + c
→ Substitute in x = -1 and y = 5
5 = -2 + c ∴ c = 7
→ Write into y = mx + c format
y = 2x + 7