The table below shows the scores that Amy and Bria have earned in their math class this quarter. Tests are worth 45%, quizzes ar
e worth 30%, homework is worth 15%, and the project is worth 10% of their quarter grade. Show how you can use matrix multiplication to determine what each student's quarter grade will be? 
1 answer:
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Answer:
x=0.450765 or x=−0.950765
Step-by-step explanation:
14x² + 7x - 6
→ Find the product, sum and factors
Product = -6
Sum = 7
Factors = No factors
→ Since there are no factors utilise the quadratic formula
→ List the values of a, b and c
a = 14
b = 7
c= -6
→ Substitute into the formula
→ Simplify
x=0.450765 or x=−0.950765