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den301095 [7]
3 years ago
5

If x2 - 6x - 16, what are the x-intercepts?​

Mathematics
2 answers:
romanna [79]3 years ago
8 0
If that’s meant to be x^2 - 6x - 16
Then factorise to (x+2)(x-8)
So x intercepts are -2 and 8
Nana76 [90]3 years ago
6 0

Answer:

(-2, 0) and (8, 0)

Step-by-step explanation:

x2 - 6x - 16 = 0

(x - 8)(x + 2) = 0

x = -2, 8.

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Find the gradient of the line joining (-1,9) and (3,5)
givi [52]

\rule{300}{1}\\\dashrightarrow\large\blue\textsf{\textbf{\underline{Given question:-}}}

   <em>Find the gradient of the line joining (-1,9) and (3,5)</em>

<em />\dashrightarrow\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}

Use the slope formula:-

\boxed{\frac{y_2-y_1}{x_2-x_1}}

Replace the letters with the numbers:-

\boxed{\frac{5-9}{3-(-1)}}

\circ On simplification,

\boxed{\frac{-4}{3+1}}

\circ On further simplification,

\boxed{\frac{-4}{4}}

\circ\sf{SLOPE=-1}

<h3>Good luck with your studies.</h3>

\rule{300}{1}

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