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2 years ago

Help me pleaseeeeeeeeeeee

Mathematics

1 answer:

Salsk061 [2.6K]2 years ago

6 0

Answer:

slope = $\frac{4}{5}$

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 4, 2) and (x₂, y₂ ) = (1, 6)

m = $\frac{6-2}{1+4}$ = $\frac{4}{5}$

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2 years ago

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2 years ago

PLEASE SOLVE AND CHECK. SHOW COMPLETE SOLUTION

Alex17521 [72]

Solution:

$\sqrt{4x + 13} = x + 2$

First square both sides.

$= > ( \sqrt{4x + 13} ) ^{2} = (x + 2) ^{2}$

Now, square root and square gets cancel out in the LHS. And in the RHS, apply the identity: (a + b)² = a² + 2ab + b².

$= > 4x + 13 = {(x)}^{2} + 2 \times x \times 2 + (2) ^{2} \\ = > 4x + 13 = {x}^{2} + 4x + 4$

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Now, do the addition and subtraction.

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Answer:

x = ± 3

Hope you could understand.

If you have any query, feel free to ask.

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1 year ago