Question

1. Simplify the expression.
22 + (32 – 42)





2. Simplify the expression.






3. Evaluate the expression for a = –1 and b = 5.
5a – 7




4. Evaluate the expression for a = –1 and b = 5.
(ab)2




5. Simplify the expression.
9xy2 – 11xy2




6. Simplify the expression.
-3(b – 7)




7. Solve the equation. Check your answer.






8. Solve the equation. Check your answer.
4y + 5 = – 31




9. Solve the equation. Check your answer.
3x – 7 = 5x + 19




10. A cheetah ran 300 feet in

Answer 1

1.12
3.-12
4.(-1*5)^2= (-5)^2=+25
5.-2xy^(2)
6.-3b+21

Answer 2

8.y=-9
9.x=-13