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ch 6.

quadratic functions

What is the general quadratic expression? ax2 + bx + c
simplify (7-9i) + (5+6i) 12-3i
consider the equation y=-2x^2 + 5x - 4. Evaluate the discriminate. -7
write 4(2+8i) + (6+i)(-2+9i) in a+bi form. -13+84i
transform y=3x^2+6x+5 into vertex form y-2=3(x+1)^2
You have a bread recipe that calls for a rectangular pan tat is 9 in by 13. if you want to bake the bread in a circualr pan, what should be the radius of this pan? about 6 inches.
what is an irrational number? A real number that cant be written as a simple fraction.
Created by: nikkrowley