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SEAN2725IN
Answered

A. evaluate the following algebraic expression using A= 2 B=3 C=-4

1. 5a + ^3b = 5(2) + 3(3) = 10 + 9 = 19
2. 2c^2 - 1
3. 9^2+ 3b + c
4. (2×^2+4) + (×^2-×)
5. (×^2+×-2) + (5×^2+×+8)
6. (8×^2 +×+2) - (-2×^2+5×-4)
(No. 2 and 3 EVALUATE / No. 4,5 and 6 Add and Subtract polynomials​

Sagot :

MAESAMSALVADOR021920IN

Answer:

1.19

2.31

3.10

4.2

5.9

Step-by-step explanation:

1.5(2) + 3(3)

10+9

=19

2.2(-4)^2-1

2(16) -1

32-1

=31

3.(-4)^2-(3)2

16-6

=10

4.4(2)-2(3)

8-6

=2

5.(2)^2+3(3)+(-4)

4+9+(-4)

13+(-4)

=9

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