3 years ago

Please help! If i don't get all my homework done I can't leave the house, but I'm stuck on this question.

Mathematics

1 answer:

TEA [102]3 years ago

7 0

Plug y=-4x+5 into a website called desmos, it will give you a graph! The y-intercept is 5 and it’s at a slope of 4/1

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Write the number name and expanded form for 710,231

vekshin1

Answer:

seven hundred ten and two hundred and thirty one 700,000+ 10,000+ 200+30+1

Step-by-step explanation:

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Which graph is defined by the function given below?<br> y= (x + 2)(x+7)

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A parabola

Step-by-step explanation:

It's a quadratic equation so the graph will be a parabola.

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3 years ago

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3 years ago

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Simplify 2√2-√3<br> ---------------<br> √2+√3

serious [3.7K]

Step-by-step explanation:

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} }$

$= \frac{2 \sqrt{2} - \sqrt{3} }{ \sqrt{2} + \sqrt{3} } \times \frac{ \sqrt{2} - \sqrt{3} }{ \sqrt{2} - \sqrt{3} }$

$= \frac{ 2( \sqrt{2} - \sqrt{3} )( \sqrt{2} - \sqrt{3} )}{ { \sqrt{2} }^{2} - { \sqrt{3} }^{2} }$

$= \frac{2(2 - \sqrt{6} - \sqrt{6} - 3) }{2 - 3}$

$= \frac{2( - 1 - 2 \sqrt{6} )}{ - 1}$

$= \frac{ - 2(1 + 2 \sqrt{6} )}{ - 1}$

$= 2(1 + 2 \sqrt{6} )$

$= 2 + 4 \sqrt{6}$

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2 years ago