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Topic 9.4

Last updated about 5 years ago

4 Nsɛmmisa

1

1

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Solve the system of equations.
\begin{cases} y=x^{2}-3x-17 \\y= -3x+8 \end{cases}
Write your solution as (x,y) and (x,y)

1

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

Solve the system of equations.
\begin{cases} y=x^{2}+7x+5 \\y=2x-1 \end{cases}
Write your solution as (x,y) and (x,y)

1

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Solve the system by graphing.
\begin{cases} y=3x -4 \\ y=x^{2}-4 \end{cases}

(-2,0)

(0,-4)

(\frac{4}{3},0)

(2,0)

(3,5)

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

A gardener places a sprinkler at the bottom of a gently rising hillside described by the equation y=\frac{2x}{5}. The equation y=-\frac{x^{2}}{25}+x represents the path of the water. If the water splashes onto a rock on the hillside, what is the rock's altitude with respect to the sprinkler?
(Assume all dimensions are in feet.)