Algebra 1 Math Prep

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What is the value of y in the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

Mathematical Equivalence

ON

Joley is opening her first checking account as a teenager. She doesn’t have a job, so most of the income will be gifts from birthdays and holidays. Bank A has an $8 monthly charge. Bank B charges 1% of the balance. Which account balance below will result in Bank A being a better financial choice?​

• $850

• $550

• $650

• $750

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

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Solve  12 - 6y = 24

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• -4

Factor by GCF

12x + 9

• 3(4x + 3)

• x(12+9)

• 3(4x - 3)

• not factorable