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lutik1710 [3]
3 years ago
8

In the piece-wise function graphed below, which is the correct equation for when − 2 ≤ x ≤ 2

Mathematics
2 answers:
masya89 [10]3 years ago
6 0

Answer:

y=-1/2x+2

Step-by-step explanation:

y = mx + p

m=slope = -1/2

p= y-intercept = 2

alexgriva [62]3 years ago
6 0

Answer:

y = - \frac{1}{2} x + 2

Step-by-step explanation:

The segment for - 2 ≤ x ≤ 2 is a straight line

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

To calculate m use the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, 3) and (x₂, y₂ ) = (2, 1) ← the endpoints of the line

m = \frac{1-3}{2+2} = \frac{-2}{4} = - \frac{1}{2}

Note the line crosses the y- axis at (0, 2) ⇒ c = 2

y = - \frac{1}{2} x + 2 ← equation for - 2 ≤ x ≤ 2

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