OpenStax, Intermediate Algebra 2e §9.6 Graph Quadratic Functions Using Properties · Try It 4 · Algebra · Quadratics

Graph Quadratic Functions Using Properties · Try It 4

Determine whether the graph of each function is a parabola that opens upward or downward:
ⓐ $f (x) = - 2 x^{2} - 2 x - 3$ ⓑ $f (x) = 5 x^{2} - 2 x - 1.$

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OpenStax, Intermediate Algebra 2e · §9.6 Graph Quadratic Functions Using Properties · Try It 4

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