1st 9 Weeks' Exam

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify the Expression: 10x - 3(2x + 8)

• 4x - 24
• -4x + 24
• 16x - 24
• 14x - 6

Find the difference (2x + 5) − (x + 4).

• x + 1
• 3x + 9
• −x + 1
• x + 9

Add to Simplify:
 (4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5
• 3x³ + 8x + 5
• 3x² + 5
• 7x³ + 8x + 5

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x
• 2x³+6x²+9x
• -2x³-6x²+9x
• 2x³-6x²+9x

Choose the phrase that matches the expression   21h

• 21 more friends than expected at the party
• 21 more horses in the pasture
• 21 dollars per hour
• 21 balloons were popped at the party

What is the value of xy + 2z, when x = -2, y = 4 and z = -5

• -2
• 28
• 18
• -18

Solve:
3x + 15 = 3(x + 5)

• No Solution
• x = 15
• Infinitely Many Solutions

Solve:
7x - 3x - 8 = 24

• 8
• -8
• 3.2
• 4