Mathematics
michintan
2017-08-13 16:28:45
Consider f(x)=-(x+7)^2+4. Which of the following are true for f(x)? Check all that apply. the equation is quadratic. the graph is linear. the vertex is (7,4) the axis of symmetry is x=-7 the y-intercept is (0,4) the graph has a relative maximum the equation has no real solutions
ANSWERS
SpecialP
2017-08-13 20:07:07

f(x) = -(x+7)² + 4 f(x) = -(x+7)(x+7) + 4 f(x) = -(x² + 7x + 7x + 49) + 4 f(x) = -x² - 14x - 49 + 4 f(x) = -x² - 14x - 45 True for f(x) the equation is quadratic. the vertex is (7,4) the y-intercept is (0,4)

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