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Solve a quadratic equation using the null factor law

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
given-factors, zero-form, rootsgiven-factors, zero-form, sumNOWMix of allRecommended
Question 1 of 8

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Solve the quadratic equation below

\[\left(y + 8\right)\left(y + 7\right)=0\]
(a)2 marks

Use the null factor law to solve the equation

Record the solution values in ascending order

\[y_1=?\quad y_2=?\]
(b)1 mark

Find the sum of the solution values

\[y_1+y_2=?\]