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$1$ Verify whether the values of r given in each case are the zeroes of the polynomial or not?. $①$ $P\left(x\right)$ $p\left(x\right)=2x+1:x=-\dfrac {1} {2}$ (1 $P\left(x\right)=5x-\pi 5x=\dfrac {-3} {2}$ O $P\left(x\right)=x^{2}-1:x=±1$ $\left(w\right)$ $p\left(x\right)=\left(x-1\right)\left(x+2\right)5$ $x=-1,$ $1,-2$ $\left(y\right)$ $P\left(\right)=y^{2}:y=0$ $\left(M\right)$ $p\left(x\right)=ax+b:x=-\dfrac {b} {a}$ v) $f\left(x\right)=3x^{2}-1$ $x=-\dfrac {1} {\sqrt{3} }$ $\dfrac {2} {\sqrt{3} }$ $\left(M1\right)$ $f\left(x\right)=2x-1,x=\dfrac {1} {2},\dfrac {-1} {2}$
7th-9th grade
Algebra
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Qanda teacher - Mike
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