1. What is the product of the roots of
[tex]4x {}^{2} - 8x - 21 = 0[/tex]
2. Find the product of the roots of
[tex]x(x + 4) = 0[/tex]
3.If the sum and the product of the roots of quadratic equation are
[tex] \frac{ - 2}{4} \: and \: \frac{ - 5}{3} [/tex]
,what is the value of the coefficient of b?

4. Determine the equation if the sum and the product of its roots are 6 and 7 respectively.
a.
[tex]x {}^{2} - 6x - 7 = 0 [/tex]
b.
[tex]x { }^{2} + 6x - 7 = 0[/tex]
c.
[tex]x {}^{2} + 6x + 7 = 0[/tex]
d.
[tex]x {}^{2} - 6x + 7 = 0[/tex]

5.Find the quadratic equation if the roots are -2 and -3.

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