Determine the value of a,b and c.
1.
[tex]x {}^{2} - 6x + 8 = 0[/tex]
2.
[tex]x {}^{2} - 9 = 0[/tex]
3.
[tex]x(x - 4) = 4[/tex]
4.
[tex](x + 5)(x - 9) = 0[/tex]
5.
[tex](2x - 3) {}^{2} = 0[/tex]
Questions:
1. Are the given quadratic equations in standard form?
2. If no, What did you do to write the equation?
3. Is it important to write the quadratic equation into its standard form? Why or why not?
1.
[tex]x {}^{2} - 6x + 8 = 0[/tex]
2.
[tex]x {}^{2} - 9 = 0[/tex]
3.
[tex]x(x - 4) = 4[/tex]
4.
[tex](x + 5)(x - 9) = 0[/tex]
5.
[tex](2x - 3) {}^{2} = 0[/tex]
Questions:
1. Are the given quadratic equations in standard form?
2. If no, What did you do to write the equation?
3. Is it important to write the quadratic equation into its standard form? Why or why not?
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Answers & Comments
Answer:
1.
a= 1
b = –6
c = 8
2.
a = 1
b = 0
c = –9
3.
a = 1
b = –4
c = –4
4.
a = 1
b = –4
c = –45
5.
a = 4
b = –12
c = 9
1. Some of the given equation are in standard form and some are not.
2. The given equation in number 3,4,5 are not in standard form. what i did is i simplify the given factor then equate to zero.
3. Yes, it is important to write the quadratic equation into a standard form so that it is easy to determine the value of a,b , and c. Also it is easy to solve the sum and product of the given quadratic equation.