OpenStax, Elementary Algebra 2e §10.5 Graphing Quadratic Equations in Two Variables · Exercise 172 · Algebra · Quadratics
Graphing Quadratic Equations in Two Variables · Exercise 172
Solve by factoring, the Square Root Property, or the Quadratic Formula.
The length of a diagonal of a rectangle is three more than the width. The length of the rectangle is three times the width. Find the length of the diagonal. (Round to the nearest tenth.)
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OpenStax, Elementary Algebra 2e · §10.5 Graphing Quadratic Equations in Two Variables · Exercise 172
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