Algebra Day 10

What is the value of x in:
f(3) = 2x + 1

• 3

• 2

• 1

• 0

What is the value of x in:
f(4) = 3x - 1

• 11

• 4

• -1

• 0

What does f(-4) equal?
f(-4) = -2x - 8

• 8

• -4

• -16

• 0

What does x equal in the function:
f(-11) = 5x + 1

• -54 

• 5

• 1

• -11

Solve for f(5):
f(5) = -x + 4

• 9 

• 1

• -1

• -9

What subject is this?

• Aljebra

• Algabra

• Algebra

• Aljebrajimavich

Clara opens a bank account with some money. After opening the account, she deposits the same amount of money each week. She does not withdraw any money from the account. The list below shows how much money Clara has in her bank account at the end of each of the first four weeks. $214,   $228,   $242,   $256 The pattern continues. Which expression represents how much money, in dollars, Clara has in her bank account at the end of n weeks?

• 200 + 14n

• 214 + 14n

• 200n + 14

• 214n + 14

A function of x is graphed on the coordinate plane shown. Which equation describes the function of x?

• f(x) = ˉ3⁄4 x + 3

• f(x) = ˉ3⁄4 x + 4

• f(x) = ˉ 4⁄3 x + 3

• f(x) = ˉ 4⁄3 x + 4

The graph of a linear function has a slope of ˉ1⁄4 and contains the point (8, 12) . What is the equation of the line?

• y = ˉ1⁄4 x - 10

• y = ˉ1⁄4 x - 5

• y = ˉ1⁄4 x + 11

• y = ˉ1⁄4 x + 14

The table shows some values of a linear function. What is the missing value in the table?

Mathematical Equivalence

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