4. What is y = (3x – 9)(x + 2) in standard
form?
A y = 3x² - 4x - 18
B y = 3x - 3x - 18
Cy= 3x2 - 6x + 6

B)y = 3x^2 - 3x-18

Step-by-step explanation:

y = (3x – 9)(x + 2)

y = 3x*x+3x*2-9*x-9*2

y = 3x^2 +6x-9x-18

y = 3x^2 - 3x-18

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3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.