HELPWhat is the axis of symmetry of the graph ofy = 4(x – 1)^2 – 3?
What is the axis of symmetry of the graph of y = 4(x – 1)^2 – 3?
A.x = 1
B.x = –1
C. x = 3
D. x = 4
2. Jon’s new mini computer monitor has a 20 cm by 24 cm LCD screen with a plastic trim border. The total area of the monitor and border is 672 cm2. How wide is the trim around the monitor?
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A) x =1
(20 +y)(24 +y) = 672
y^2 + 44y + 480= 672
y^2 +44y - 192 =0
(y -4)(y+48)= 0
y = 4 or -48, the trim can't be -48 inches
y =4, the trim is 4 inches wide
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