contestada

a) Graph y = 2(x − 5)2 − 8 by finding the vertex and x-intercepts. Explain your work.

b) Write the equation of a quadratic whose x-intercepts are
3/2 and 5.

c) Write the equation of a quadratic with a parent of y = 4x2 and a vertex of (−5, 7).

Respuesta :

tmarsheuna

[tex]a. \\1. \: y = 4(x - 5) - 8 \\ 2. \: y + 8 = 4(x - 5) \\ 3. \: \frac{y + 8}{4} = x - 5 \\ 4. \: \frac{y + 8}{4} + 5 = x \\ 5. \: x = \frac{4 + 8}{4} + 5 \\ \\ \\ b. \\ x \frac{ - 3}{2} 5 \\ x \frac{ - 15}{2} \\ \\ \\ c. \\ y = 4 {x}^{2} \times ( - 5 + 7) \\ x = \frac{ - y}{280} [/tex]

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