Sketch the graphs using 3 points that belong to it. a y = 3x + 2
2 answers:
Answer:
Step-by-step explanation:
Weren't there more functions? Please share the entire problem next time. Thx.
a) y = 3x + 2 has a slope of 3 and a y-intercept of 2 (or (0, 2) ).
You could make a short table of x and y values and graph several points from this table.
x y = 3x + 2 point (x, y)
----- -------------- -----------------
0 2 (0, 2)
-3 -7 (-3, -7)
2 8 (2, 8)
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Answer:
≈ 12.6
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.
let x be the third side, then
x² + 6² = 14²
x² + 36 = 196 ( subtract 36 from both sides )
x² = 160 ( take the square root of both sides )
x = ≈ 12.6 ( to the nearest tenth )