# MATH LIKE ALWAYS

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HOW MANY TIMES DOES THE GRAPH OF
2
2X -2X+3 INTERSECT THE X-AXIS?

• MATH LIKE ALWAYS -

2 x^2 - 2 x + 3 = 0

x = [2 +/- sqrt (2^2-4*2*3)] /4

= [ 2 +/- sqrt (4 - 24) ]/4

= [ 2 +/- sqrt (-20) ] / 4

- 20 is imaginary so this parabola never crosses the x axis.

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