Which second degree polynomial function f(x) has a lead coefficient of 3 and roots 4 and 1?
f(x) = 3x2 + 5x + 4
f(x) = 3x2 + 15x + 12
f(x) = 3x2 – 5x + 4
f(x) = 3x2 – 15x + 12

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality