InteractivepublishedGlyph seed

Tune an equation to a solution

Students set sliders for the coefficients of an equation (including negative values) so it has a required solution, Sean's working-backwards questions made manipulable. The solution readout updates live. Grade 7+: coefficients range negative, above grade-6 scope.

Content

1. Set a and b so the equation

ax + b = 20

has the solution

x = 5

a = 1

b = 0

Standards

GCSE A17
CCSS-M 7.EE.B.4
Use variables to construct equations and inequalities to solve problems