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3 years ago

I’m not sure which answer it is !??

Mathematics

1 answer:

Shkiper50 [21]3 years ago

5 0

Answer:

Its A or B if not then sorry

Step-by-step explanation:

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If your teacher tells you to questions 38 through 51 in your math book for homework ,how many questions is that ?

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That would be 13 questions!

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Help! I really need to pass!

Dmitriy789 [7]

Answer:

$\huge{ \boxed{ \bold{ \sf{y = - 2x + 6}}}}$

☥ $\tt{Question} :$

Write the equation of a line in slope - intercept form that has a slope of -2 and passes through the point ( - 1 , 8 ).

☥ $\tt{Step - \: by \: - \: step \: explanation}$

☪ $\underline{ \underline{ \text{Given : }}}$

Slope ( m ) = -2
Given point = ( - 1 , 8 )

☪ $\underline {\underline{ \text{To \: find}}} :$

Equation of a line in slope - intercept form ( i.e y = mx + c )

Let the point ( -1 , 8 ) be ( x₁ , y₁ )

☪ $\underline{ \underline{ \text{Solution}}} :$

$\underline{ \sf{y - y1 = m(x - x1)}}$

plug the known values :

↦ $\text{y - 8 = - 2 \{ x - ( - 1) \} }$

↦ $\text{y - 8 = - 2(x + 1)}$

Distribute -2 through the parentheses :

↦ $\text{y - 8 = - 2x - 2}$

Transpose 8 to right hand side and change it's sign

↦ $\text{y = - 2x - 2 + 8}$

↦ $\boxed{ \text{y = - 2x + 6}}$

And we're done !

Hope I helped!

♡ Have a wonderful day / night ツ

~TheAnimeGirl ♪

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Write the quadratic equation in standard form:<br>- 4x² – 13 – 2x = 4x - 2x²<br>(Urgent!)

bazaltina [42]

Answer:

$2 {x}^{2} + 6x + 13 = 0$

Step-by-step explanation:

$- 4 {x}^{2} - 13 - 2x = 4x - 2 {x}^{2} \\ 4x - 2 {x}^{2} + 4 {x}^{2} + 13 + 2x = 0 \\ 4 {x}^{2} - 2 {x}^{2} + 4x + 2x + 13 = 0 \\ \purple{ \boxed{ \bold{2 {x}^{2} + 6x + 13 = 0}}} \\ is \: the \: standard \: form \:$

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