Answer:
X=10
Step-by-step explanation:
explanation is in the image above
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Answer: C
Step-by-step explanation:
4x = 76
Where x is how many awnsers he got correct and 4 how many points each correct question awnsered.
Now you just have to isolate x by dividing both sides of the equation by 4
4x/4 = 76/4
x = 19
So he got 19 questions right and 10 awnsers wrong. In total there were 29 questions on his test
Answer: y = x^2 - 11x + 24
Step-by-step explanation: