7.4 Solving Polynomial Equations (in factored form) Homework

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Napomena autora:

Write all solutions from left to right, smallest to largest.

Instrukcije

Solve the equation:

−2v(v + 1) = 0

Solve the equation:

(y + 2)(y − 6) = 0

Solve the equation:

(4q + 3)(q + 2) = 0

Solve the equation:

(5m + 4)^{2} = 0

Solve the equation:

5p(2p − 3)( p + 7) = 0

& &

Find the x-intercepts of the graph.

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Factor the polynomial.

6d^{2} − 21d

Solve the equation:

6m^{2}+ 12m = 0

MODELING REAL LIFE

The Gateway Arch in St. Louis can be modeled by y = − \frac{2}{315}(x + 315)(x − 315), where \bold \large x and \bold \large y are measured in feet.

The x-axis represents the ground.

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\bold{a)} Find the width of the arch at ground level.

\bold{b)} How tall is the arch?