Go through the Math in Focus Grade 8 Workbook Answer Key Chapter 4 Lines and Linear Equations to finish your assignments.
Math in Focus Grade 8 Course 3 A Chapter 4 Answer Key Lines and Linear Equations
Math in Focus Grade 8 Chapter 4 Quick Check Answer Key
Tell whether each graph represents a direct proportion. If so, find the constant of proportionality. Then write a direct proportion equation.
Question 1.
Answer:
If y = kx then y is said to be directly proportional to x.
y = 10x
y/10 = x
Thus the above graph is said to be constant of proportionality.
Question 2.
Answer: y = 1/10 x
The above graph is not direct proportion.