ALGEBRA 1: SEMESTER 1 EXAM REVIEW (2024)

Write an algebraic expression for: 3 times x squared minus 4 times x.

• 3(2x)-4x
• 4-3x
• 3x²-4x
• 3(x²-4x)

Write a verbal expression for: 3n – 8

• the product of 3, n, and 8
• 3 times n less than 8
• 8 less than the product of 3 and n
• n minus 8 times 3

Simplify: **COMBINE LIKE TERMS** 7𝑥² + 10𝑥² + 5𝑦

• 22𝑥²y
• 17x²+5y
• 22x+y
• 17x²y³5

Simplify: **DISTRIBUTE & COMBINE LIKE TERMS* 2(7n + 5m – 3m)

• 14n+2m
• 9n+7m
• 9n+m
• 14n+4m

Simplify: **DISTRIBUTE & COMBINE LIKE TERMS** 3(5a + b) + 4(a + 2b)

• 9a+5b
• 19a+3b
• 19a+11b
• 9a+9b

What is the domain (X-VALUES) of the relation represented in this graph?

• {– 4, –2, –1, 0, 1, 2, 3, 4}
• {-4, -1, , 2, 3, 4}
• {-4, -2, -1, 0, 1, 4}
• {-4, 4}

Which is a true statement about the relation?

• The relation is not a function
• The value of x increases as y decreases.
• The value of x increases as y increases.
• The relation is a linear function.

Determine which relation is a function.

• A
• B
• C
• D

Is this a function? {(-5,4), (-4, -1), (-2, 1), (0, 4), (1, 3)}?

• YES
• NO

Use the vertical line test to determine if the attached graph is a function.

• function
• not a function