Please help me with this

Mathematics

2 answers:

Westkost [7]2 years ago

8 0

Hi!

So the slope formula is y = mx + b.

m is the slope

b is the y intercept

so in this case, -1/2 is m which is the slope

and 7 is b which is the y intercept

Hope this helps!!

emmasim [6.3K]2 years ago

5 0

The equation is put in slope intercept form which is y=mx+b

The slope is m and in this case it is -1/2.
To find the y intercept substitute in 0
for x then solve.
$y = - \frac{ 1}{2} (0) + 7$
$y = 7$

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Kryger [21]

Answer:

(i) The length of AC is 32 units, (ii) The length of BC is 51 units.

Step-by-step explanation:

(i) Let suppose that AB and BC are collinear to each other, that is, that both segments are contained in the same line. Algebraically, it can be translated into this identity:

$AC = AB + BC$

If we know that $AB = 8$ and $BC = 24$ , then:

$AC = 8 + 24$

$AC = 32$

The length of AC is 32 units.

(ii) Let suppose that AB and AC are collinear to each other, that is, that both segments are contained in the same line. Algebraically, it can be translated into this identity:

$AC = AB + BC$

$BC = AC - AB$