Moises is determining the solution to the system of equations that is show below.
Equat...
Mathematics, 16.05.2020 21:57 kobb
Moises is determining the solution to the system of equations that is show below.
Equation representing line A: y = one-third x + 1
Points on line B: (3, –12) and (9, –24)
Step 1: Determine the slope for B: StartFraction negative 24 minus (negative 12) Over 9 minus 3 EndFraction = StartFraction negative 12 Over 6 EndFraction = negative 2.
Step 2: Determine the y-intercept for B: 3 = negative 2 (negative 12) + b. 3 = 24 + b. Negative 21 = b.
Step 3: Write the equation in slope-intercept form: y = negative 2 x minus 21
Step 4: Graph the equations: On a coordinate plane, a line goes through (negative 3, 0) and (6, 3) and another line goes through (negative 9, negative 3) and (negative 6, negative 9).
Step 5: Determine the intersection point: approximately (–9, –2)
Which best describes Moises’ error?
Moises incorrectly determined the slope of the line.
Moises incorrectly determined the y-intercept of the line.
Moises incorrectly graphed one or both of the stated equations.
Moises incorrectly approximated the point of intersection shown on the graph.
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