Chapter 7 - Spiral Review

If a line passes through (0, –6) and has a slope of –3, what is the equation of the line?

• y = -6x - 3
• y = 3x - 6
• y = -3x - 6
• y = -3x + 6

Solve 4 – 2r ≥ 3(5 – r) + 7(r + 1).

• r < 3

• r ≤ -3

• r ≥ 9

• r ≤ 2

Evaluate 𝑥² + 5(y – 3) when x = –3 and y = 14.

Evaluate [1 + 4(5)] + [3(9) – 7].

Solve 8x – 5 = 19.

• -6

• 6

• 12

• -12

how many solutions exist for the system –4x + 3y = 12 and x + y = 2.

• 0

• 1

• 2

• Infinitely Many

Use elimination to solve the system 2x + y = –8 and –2x + 3y = –8 for x.

• -2

• 2

• -4

• 4

Which graph represents the solution of |𝑛 + 5| > 1

• 
• 
• 
• 

Find the slope of the line that passes through (–2, 0) and (5, –8).

• -8/7

• -7/8

• -1

• -8/3