We know that AC=8x-20 and B is the mid-point of AC
⇒ AB = BC =
⇒ BC =
⇒ BC = 4x-10
16. A rock weighs 6 and 1/2 tons. How many pounds does the rock weigh? 2,000 lb = 1 T
2 answers:
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The vertex is in essence the turning point of the parabola y = x²<span> − 10x + 2
the x coordinate of the turning point = </span>
=
= 5
when x = 5, y = (5)² - 10(5) + 2
= -23
Thus coordinate or vertex is ( 5, -23)
the x coordinate of the turning point = </span>
=
= 5
when x = 5, y = (5)² - 10(5) + 2
= -23
Thus coordinate or vertex is ( 5, -23)