Question

Where does the graph of y = 2x2 + 7x + 3 cross the x-axis?

(−1 over 2, 0) and (−3, 0)

(1 over 2, 0) and (3, 0)

(−3 over 2, 0) and (−1, 0)

(3 over 2, 0) and (1, 0)

Answer 1

When y = 0. Solve the following for x:\[2 x^2+7 x+3=0\]\[\left\{x\to -3,x\to -\frac{1}{2}\right\} \]