Question Function Find the vertex Find the axis of symmetry Rewrite in vertex form Load more (21,−41) Evaluate a(x)=x2−xFind the x-coordinate of the vertex by substituting a=1 and b=−1 into x = −2ab x=−2×1−1Solve the equation for x x=21Find the y-coordinate of the vertex by evaluating the function for x=21 a(21)=(21)2−21Calculate More Steps Evaluate (21)2−21Rewrite the expression 221−21Evaluate the power 41−21Reduce fractions to a common denominator 41−2×22Multiply the numbers 41−42Write all numerators above the common denominator 41−2Subtract the numbers 4−1Use b−a=−ba=−ba to rewrite the fraction −41 a(21)=−41Solution (21,−41) Show Solution Graph