Linear or nonlinear equations
An equation is linear if x is only multiplied by numbers and added. If x is squared, cubed or in a denominator, it is nonlinear.
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Is the equation y = x ÷ 4 + 5 linear or nonlinear? Write linear or nonlinear.
Answer: linear
Is the equation y = x² + 12 linear or nonlinear? Write linear or nonlinear.
Answer: nonlinear
Is the equation y = 9x + 1 linear or nonlinear? Write linear or nonlinear.
Answer: linear
Tip: An equation is linear if x is only multiplied by numbers and added. If x is squared, cubed or in a denominator, it is nonlinear.
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