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Practice Exercises 1.1.1
A. Determine whether each equation is quadratic or not quadratic.
1. 2x(x+6) = 1
3. 2x-1= 5
2. (x-3)= x² - 7 4. 5y²+4y > 7
5. 3s²+s4
B. Express the following in standard form, then determine the values
of a, b, and c.
1. 3x² + 2x = 15
2. 5y2-7y=-13
5
3. x²+4 = 3x²-2x+ 4. (x+3)(x-4)= 0
5. (y-6)(y-7)= 0
C. Express the following in the standard form and identify the quadratic
term, linear term, and constant term.
1. 2x² + 3x = 12
2. 4y2-5y = -10
3. x²+3=2x²-3x+
4
4. (2x-3)2=4x-5
5. (3x+5)=7-x2
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