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3 years ago

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Need help on test Angles and triangles 2

1 answer:

erma4kov [3.2K]3 years ago

6 0

Alternate interior: <2 and <7
(They are on opposite sides of the transversal line, but inside the parallel lines.)

Corresponding: <1 and <3
(They have the same measure because they are in the same spot above the parallel line.)

Alt exterior: <1 and <8
(They are on opposite sides of the transversal, but on the outside of the parallel lines.)

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bogdanovich [222]

Answer:

$\displaystyle y = - \frac{1}{2} x - 3$

Step-by-step explanation:

we are given a line

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from the graph we can clearly see that the line passes y-intercept at <u>(</u><u>0</u><u>,</u><u>-</u><u>3</u><u>)</u> point therefore b is <em>-</em><em>3</em>

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Identify the vertex of y = -1 (x-4)^2 +9 and tell whether it’s a minimum or maximum

sladkih [1.3K]

Answer:

maximum at (4, 9)

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

y = - 1(x - 4)² + 9 is in this form

with vertex = (4, 9)

• If a > 1 then vertex is a minimum

• If a < 0 then vertex is a maximum

here a = - 1 , hence vertex (4, 9) is a maximum

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