Answer:
[tex]\frac{11}{8}[/tex]
Step-by-step explanation:
→ State the gradient formula
( y₂ - y₁ ) ÷ ( x₂ - x₁ )
→ Find x₁ , x₂ , y₁ and y₂
x₁ = 4 , x₂ = 12 , y₁ = 9 and y₂ = 20
→ Substitute in the values
[tex]\frac{20-9}{12-4}[/tex]
→ Simplify
[tex]\frac{11}{8}[/tex]
