Consolidation questions(Linear equations, inequalities, simulta)

Solve the inequality. x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8 

• x ≤ 18 

Match the graph with its inequality.

• 11 < a

• 11 > a

•  11 ≤ a

•  11 ≥ a

Solve for x and y

3x + 2y = 16

7x + y = 19

• x=-2,y=5

• x=-2,y=-5

• x=2,y=-5

• x=2,y=5

• x > 1

• 1 ≥ x

• x is greater than or equal to 1

• x is less than or equal to 1

Solve. x - 10 = -6x + 4

• 6/5

• -6/5

• 2

• -2

If 7x + 3 = 24, what is the value of 5 - 4x ?

• -23

• -7

• 1

• 17

-3n+7=-3n-5

• -2

• no solution

• 0

• 2

One solution to 3x^2-5x+3=21 is between x=-5 and x=0

• -2

• -1.7

• -2.5

• -1.5

5(n-2)=10(3n+9)

• -4

• 4

• 2.5

• 25

Solve the system by elimination. 

−4x − 4y = 0

4x + 4y = 0 

• x=−6, y=−4 

• Infinite number of solutions  

• x=−6, y=10

• x=6, y=4