Write g(x) = 40x + 4x2 in vertex form. Write the function in standard form.
Factor a out of the first two terms.
Form a perfect square trinomial.
Write the trinomial as a binomial squared.

g(x) = 4x2 + 40x

g(x) = 4(x2 + 10x)

(ten-halves) squared = 25

g(x) = 4(x2 + 10x + 25) – 4(25)

g(x) =
(x +
)2 –

a

step-by-step explanation:

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°

idk

step-by-step explanation:

step-by-step explanation:

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