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Paha777 [63]
3 years ago
8

Factor -7v^2-25v-12 show steps

Mathematics
2 answers:
Reil [10]3 years ago
7 0

- 7 {v}^{2}  - 25v - 12 \\  =  - 7 {v}^{2}  - 21v - 4v - 12 \\  =  - 7 v (v + 3) - 4(v + 3) \\  = ( - 7v - 4)(v + 3) \\  =  - (7v + 4)(v + 3)

34kurt3 years ago
3 0

(v-4) ( 7v+3) is the answer
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Is 1/2 greater than 2/5
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Which statements describe the graph of y = Negative RootIndex 3 StartRoot x minus 1 EndRoot + 2? Select three options.
SOVA2 [1]

Answer:

The graph has a domain of all real numbers.

The graph has a y-intercept at (0,1).

The graph has an x-intercept at (-7,0).

Step-by-step explanation:

Given: The graph is y=\sqrt[3]{x-1}+2

The domain of a function is a set of input values for which the function is real and defined.

Thus, the graph has a domain of (-\infty, \infty).

To find the y-intercept:  To find the y-intercept, substitute x=0 in y=\sqrt[3]{x-1}+2.

\begin{aligned}y &=\sqrt[3]{x-1}+2 \\&=\sqrt[3]{0-1}+2 \\&=-1+2 \\&=1\end{aligned}

Thus, the y-intercept is (0,1)

To find the x-intercept: To find the x-intercept, substitute y=0 in y=\sqrt[3]{x-1}+2 .

\begin{aligned}y &=\sqrt[3]{x-1}+2 \\0 &=\sqrt[3]{x-1}+2 \\-2 &=\sqrt[3]{x-1} \\(-2)^{3} &=(\sqrt[3]{x-1})^{3} \\-8 &=x-1 \\-7 &=x\end{aligned}

Thus, the x-intercept is (-7,0)

8 0
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