OpenStax, Elementary Algebra 2e §10.5 Graphing Quadratic Equations in Two Variables · Review Exercise 139 · Algebra · Quadratics

Graphing Quadratic Equations in Two Variables · Review Exercise 139

Determine if the following parabolas open up or down.

$y = x^{2} + 8 x - 1$

~8 minWritten answer · compare with the solution

OpenStax, Elementary Algebra 2e · §10.5 Graphing Quadratic Equations in Two Variables · Review Exercise 139

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