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Answered

Evaluate algebraic expressions
1.) ×+4 , when ×=-5
2.)m²-8, when m=2
3.) 5a -4, when a =8
4.) 4 (p+1 ) , when p = -15
5.) (×+y )÷ 2, when x =7 and y = 1​

Sagot :

RJANEBRIONESGO

Answer:

1. -1

2. -4

3. 36

4. -56

5. 4

Step-by-step explanation:

1. -5+4 = -1

2. 2² - 8

4 - 8 = -4

3. 5 x 8 - 4

40 - 4 = 36

4. 4 x (-15 + 1)

4 x (-14)

-4 x 14 = -56

5. 7 + 1/ 2

8/2

Cross out the common factor

4

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