Your grade will most likely be an A
8y = 4x -16
-x = -2y -4
Multiply all terms in the second equation by -1:
-x = -2y -4 x -1 = x = 2y +4
Now replace x in the first equation with this.
8y = 4(2y+4)
Simplify:
8y = 8y +16
Because there is an 8y on both sides of the equation, it cannot be solved.
The answer is no solution.
When using factoring by grouping, the replacement terms will both have the same sign of the original middle term. If the last term is negative, then the signs of the factors will have one of each sign with the “stronger” number (the larger absolute value) matching the middle term. hope this helps
Answer:
(Missing part of the question is attached)

Estimates are too large.
Step-by-step explanation:
Suppose the only information we know about the function is:

where the graph of its derivative is shown in the attachment
<h3>(a)</h3>
If the function
is differentiable at point
, the tangent line to the graph of
at 1 is given by the equation:

So we call the linear function:

We know the
as it is given in the question, and
from the graph attached. Substitute in the equation of
.

<h3>(b)</h3>
At x=1,
is positive but it is decreasing. However. if we draw the tangent lines, we see that the tangent lines are becoming less steeper, so the tangent lines lie above the curve
. Thus, The estimates are too large.