2. a)
The charge of electricity from 0-50 units is at the rate of Rs 7.30 per unit and Rs 8.60
per unit from 51-150 units. If the total normal charge of electricity was Rs 795, how
many units of electricity was consumed?

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.