2.1c Solving Linear Equations and Inequalities

Solve:
7(x + 3) < 5x + 13

• x>-4
• x < 17
• x<-4
• x > -17

-9x > 27

• x < -3

• x > -3

• x < 3

• x > 3

Tags

CCSS.6.EE.B.8

9 ≥ -2m + 2 − 3

• m ≤ 5
• m ≤ -5
• m ≥ -5
• m ≥ 5

Tags

CCSS.7.EE.B.4B

-3 − 6(4x + 6) > -111

• x > 3
• x < 3
• x < -3
• x > -3

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

What type of solution will have in the linear equation

8x + 4 = 4(2x + 1)?

• no solution

• one solution

• infinite solutions

The given equation has

• no solution

• infinitely many solution

• one solution

• none of the above

Tags

CCSS.8.EE.C.7A

r = ______

Tags

CCSS.8.EE.C.7B

Eight less than three times a number is equivalent to ten more than one and half times the same number. 

• 3x - 8 = 0.5x + 10 
• 8 - 3x = 1.5x + 10 
• 3x - 8 = 1.5x + 10
• 8 - 3x = 0.5x + 10

How many solutions does the following equation have?

10x + 2(x – 6) = 3(4x – 4)

• One solution

• Two solutions

• No solution

• Infinitely many solutions: all real numbers

Tags

CCSS.8.EE.C.7A