Which graph shows the solution to the following system? y= 1/4x - 2

1 answer:

iogann1982 [59]3 years ago

4 0

Y = 1/4 x - 2

=> a linear function => a straigh line

=> slope = the coefficient of x => slope = 1/4

=> x = 0 => the y-intercept = -2

=> y = 0 => 0 = 1/4 x - 2 =>x = 8 => point (8,0)

With all that information you can identify the graph because it is a straight line that passes through (0,-2) and (8,0), its inclination (slope) is 1/4, and the graph goes through the quadrants I, III and IV (there are no points in the quadrant II)..

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Zepler [3.9K]

You get area when you multiply the 2 sides together
the sides are 8ft and (2+x)ft
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8(2+x) ft^2
so distribute the 8

You get perimeter when you add up all the sides together
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6 0

3 years ago

Which expressions are equivalent to the one below? Check all that apply. 3^x A. 3 • 3^x + 1 B. 3 • 3^x - 1 C.18^x/3 D.(18/6)^x E

inn [45]

Answer:

Step-by-step explanation:

$Use\\\\a^n\cdot a^m=a^{n+m}\\\\\dfrac{a^n}{b^n}=\left(\dfrac{a}{b}\right)^n\\=================\\A.\ 3^{x+1}=3^x\cdot 3\neq3^x\\\\B.\ 3\cdot3^{x-1}=3\cdot3^x\cdot3^{-1}=(3^1\cdot3^{-1})\cdot3^x=3^{1+(-1)}\cdot3^x=3^0\cdot3^x=1\cdot3^x=3^x\\\\C.\ \dfrac{18^x}{3}\neq3^x\\\\D.\ \left(\dfrac{18}{6}\right)^x=(3)^x=3^x\\\\E.\ x^3\neq3^x\\\\F.\ \dfrac{18^x}{6^x}=\left(\dfrac{18}{6}\right)^x=(3)^x=3^x$