Linear or nonlinear equations
Year 9 maths · Fieldbook Learning
Name ______________________ Date __________
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.
- Is the equation y = 9x² − 2 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 9x + 1 linear or nonlinear? Write linear or nonlinear.
- Is the equation 9x + 5y = 45 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 2 − 8x linear or nonlinear? Write linear or nonlinear.
- Is the equation y = −2x + 12 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 3x² + 14x linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 12 − 12x linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 12x − 7 linear or nonlinear? Write linear or nonlinear.
- Is the equation 9x + 4y = 36 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = x² + 17 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 14 − 2x linear or nonlinear? Write linear or nonlinear.
- Is the equation y = −8x + 5 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 7x − 3 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 14x² − 15 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 5x + 3 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 6x − 18 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 15 ÷ x linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 28 ÷ x linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 29x² − 17 linear or nonlinear? Write linear or nonlinear.
- Is the equation y = 11 − 8x linear or nonlinear? Write linear or nonlinear.