Answer:
D
Step-by-step explanation:
2 3/8
4x - 1/2 = 8
<u>
+1/2 +1/2</u>
<span> </span><u>4x</u><span> = </span><u>9 1/2</u>
4 4
<span> 2 3/8
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</span>
Step-by-step explanation:
1-

calculate the powers behind the brackets from left to right
2-

Calculate the powers (a power squared means the number times itself so 2 squared equals 4)
3-

Calculate the sum ( minus minus equals plus so for example 4- -5= 4+5=9)
4- 49+5+2= 56
To find the gradient you do change in y/change in x so...
-12 - 0
————- = -12/4 = -3
0 - - 4
Hope this helps! Any questions let me know :)