2.3 3 Quiz Apex Algebra 2 Semester 1 Site
What is the discriminant of ( 2x^2 - 4x + 3 = 0 )? Answer: ( (-4)^2 - 4(2)(3) = 16 - 24 = -8 )
Solve ( x^2 + 6x + 9 = 0 ) by factoring. Answer: ( (x+3)^2 = 0 ) → ( x = -3 ) (double root) 2.3 3 quiz apex algebra 2 semester 1
Find the complex solutions to ( x^2 + 4x + 5 = 0 ). Answer: ( x = \frac-4 \pm \sqrt16 - 202 = \frac-4 \pm \sqrt-42 = \frac-4 \pm 2i2 = -2 \pm i ) What is the discriminant of ( 2x^2 - 4x + 3 = 0 )
Convert ( f(x) = x^2 - 6x + 11 ) to vertex form. Answer: ( x^2 - 6x + 9 + 2 = (x-3)^2 + 2 ) → Vertex ( (3, 2) ) Answer: ( x = \frac-4 \pm \sqrt16 -
Great write-up about Tom Wolfe’s take on modern art. It’s funny how much our appreciation is guided by reaction and impulses that tend to settle and soften over time—hence the reason we see modern art in doctor’s offices and think nothing of it. It’s hard to imagine that book being published today, yet in its day it was a daring statement.