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Quadratic equation

This question concerns the quadratic equation

9x^2 - 42x+49=0

Choose the three true statements about the solution(s)
of this equation

Options.

A. The equation has no solutions
B. The equation has one solution.
C. The equation has two solutions
D. x= 0 is a solution of the equation
E. x= 2.333 is a solution of the equation, correct to three decimal places
F. X= -2.333 is a solution of the equation, correct to three decimal places.
G. x=0 is not a solution of the equation.
H Neither x= 2.333 nor x= -2.333 is a solution of the
equation (correct to three decimal places).

Solution Preview

Solution. 9x^2-42x+49=0 <==> (3x-7)^2=0

So this equation has two roots equally, ...

Solution Summary

The roots of a quadratic equaiton are found.

$2.19