Question

{Question 20} Please help! Need by tonight! Thanks :)

Answer 1

y = 1.50x +2

Explanation:

First, we must find two points.

• (0, 2) --- > y-intercept
• (1, 0.5)

Equation of a straight line:

y = mx + b ------(i)

Step 1: Calculating Slope (m).

`m=(y_2-y_1)/(x_2-x_1)`

`m=(2-0.500)/(1-0)`

`m=(1.50)/(1)`

`m=1.50`

Now putting value of m in equation (i)

y = 1.50x + b -----(ii)

Step 2: Calculating Y-intercept (b).

Lets choose the first point, (0,2) for calculating y-intercept:

• y = mx + b

2 = 1.50(0) + b

2 = 0 + b

2 = b

b = 2

Now putting value of b in equation (ii)

y = 1.50x + 2

Answer 2

y=-3/2x +2

Explanation: