SOLUTION: Rewrite each equation in vertex form. Then sketch the graph.
19. a. y=4x^2+8x-4
b. y=-3x^2-4x-1
c. y=-5x^2=10x+1
d. y=-2x^2+10x-11
e. y=3x^2+9x+6
Algebra ->
Linear-equations
-> SOLUTION: Rewrite each equation in vertex form. Then sketch the graph.
19. a. y=4x^2+8x-4
b. y=-3x^2-4x-1
c. y=-5x^2=10x+1
d. y=-2x^2+10x-11
e. y=3x^2+9x+6
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