Please help! thank you
2 answers:
9514 1404 393
Answer:
y = (-7/3)x +3
Step-by-step explanation:
The line has a negative slope (eliminating choices B and C) that is steeper than a line with a slope of -1, The only answer choice with a negative slope less than -1 is choice D.
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The slope is the coefficient of x. It is "rise"/"run". Here, the line goes through grid points (0, 3) and (3, -4), so drops 7 units (rise=-7) for each 3 units to the right (run=3). Then the slope is rise/run = -7/3.
The line crosses the y-axis at y=3, so the slope-intercept equation is ...
y = mx + b . . . . . . . . slope = m; y-intercept = b
y = (-7/3)x +3
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Answer:
Proved that .
Step-by-step explanation:
We have to prove that
Now, Left hand side
=
= {Since we know the formula (a + b)² = a² + 2ab + b²}
=
{Since }
=
=
{Since we know the identities:
and
}
= Right hand side
Hence, proved.