Solve (x + 6)(x - 4) = -16
o {-4, 6)
o {-4, 2]
o (-12, 22)

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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