Please helpppp !!! Write this in y=Mx+b form

Mathematics

2 answers:

emmasim [6.3K]3 years ago

4 0

Answer:

y =(-3/2)x

Step-by-step explanation:

(0,0) ; (2 , -3)

Slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$= \frac{-3-0}{2-0}\\\\= \frac{-3}{2}$

Equation: y - y1 =m(x-x1)

y - 0 = $\frac{-3}{2}(x- 0)\\$

$y = \frac{-3}{2}x$

Mrac [35]3 years ago

3 0

Y = (-3/2)x

You will have no Y value because Y represents the Y-intercept, which, in this case is 0.

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Some body help answer the question in the picture below

uysha [10]

Answer:

a) t ≥ 5

b) (see below)

Step-by-step explanation:

First, make note of the info you are given and what you're trying to do:

- at midnight, 5°C

- drops consistently 2°C per hour

- finding t

- t = # of hours past midnight when temp. was past -4°C

- put t on a number line

So, first, you need to find the first point at when the temperature goes past -4°C. Notice that the question is asking for past -4°C, not -4°C and past. This means we're not including -4°C.

Every hour, we're dropping by 2°C. You can draw a visual to better understand the situation. See the image below.

So we know that starting from 5 am, we are lower than -4°C.

This is 5 hours from midnight.

So t ≥ 5. This means that the number of hours past midnight when the temperature was colder than -4°C was 5 or more hours.

On the number line, draw a circle on 5 (between 4 and 6), but shade it in because it includes 5. Then, shade or highlight to the right of that circle to the end of the number line.

This shows that t is equal to or greater than 5.