Question

02 y. p² + qr
a) find
y when
p= -5, q=3 & r=-7.​

Answer 1

Step-by-step explanation:

$y {p}^{2} + qr \\ = y {( - 5)}^{2} + 3 \times - 7 \\ = 25y - 21 \\ 25y = 21 \\ y = \frac{21}{25}$

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