9th Unit 1 Test Review SJMS

-11-5a = 6(5a + 4)

• -1
• -2
• -3
• -4

2x + 3(5x - 7) = 47

• 1
• 2
• 3
• 4

Tags

CCSS.8.EE.C.7B

|v + 8| − 5 = 2 

• {-1,-15}
• {-1,-5}
• {-15,15}
• No Solution

-|−2r − 1| = 11

• {-6,5}
• {5,-6}
• -6
• No Solution

|−4 + 5x| = 16

• {16/5,12/5}
• {4,-5}
• {-12/5, 4}
• 4

−2|−2r − 4| = -12

• {5,1}

• {-5,1}

• {-5}

• No Solution

• {-5,-1}

 |−2n| + 10 = −50

• {30, -30}
• {20,-20}
• {-5,5}
• No Solution

Solve:

|x + 3| > 8

• $\left(-\infty,-11\right)U\left(5,\infty\right)$

• $\left(-11,5\right)$

• all real numbers

• no solution

• $\left(-\infty,-14\right)U\left(6,\infty\right)$

Solve:

|x + 3| > - 8

• $\left(-\infty,-11\right)U\left(5,\infty\right)$

• $\left(5,\infty\right)$

• all real numbers

• no solution

• $\left(-\infty,5\right)U\left(-11,\infty\right)$

Solve:

3 | 2x + 7| - 7 < -4

• $\left(-\infty,-3\right)U\left(-\frac{5}{3},\infty\right)$

• $\left(-\infty,-3\right)U\left(-4,\infty\right)$

• all real numbers

• no solution

• $\left(-4,-3\right)$