Draw the graph of $y = 2 x^{2} + 7 x - 9$ .

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Solution

To draw the graph, consider the following table

$\begin{matrix} x & 0 & 1 & - 9 / 2 & - 1 y & - 9 & 0 & 0 & - 14 \end{matrix}$

x-axis 1 cm = 4 units; y-axis 1 cm = 4 units

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Similar questions

y = 2 x^{2}

(1) Draw a graph of y = x² and find the value of.

(2) Draw the graph of y = 2x² and find the value of.

(3) Draw the graph of and find the value of.

(1) Draw the graph of y = x² and y = 2x + 3 and hence solve the equation x² − 2x − 3 = 0.

(2) Draw the graph of y = 2x²and y = 3 − x and hence solve the equation 2x² + x − 3 = 0.

(3) Draw the graph of y = 2x² and y = 3 + x and hence solve the equation 2x² − x − 3 = 0.

y = 2 x^{2}

2 x^{2} + x - 6 = 0

y = 2 x^{2} + 5 x

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