PLS HELP! Solve and graph, y=1/3x-1 pls!!!!!!! show steps
1 answer:
Answer:
See below for a graph.
Step-by-step explanation:
The equation of the line is in slope-intercept form. The slope is the coefficient of x, 1/3. The y-intercept is the added constant, -1.
These mean the line goes through the point (0, -1) on the y-axis and increases by 1 unit vertically for every 3 units of positive horiontal movement. These facts can help you draw the graph.
The steps are:
- identify the y-intercept on the coordinate plane
- find a point that is 3 units to the right and 1 unit up
- draw the line through these two points.
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Answer:
To find out the number coming from each school, you need to use the proportion of the school's population out of the population of all three.
Total population = 618 + 378 + 204
= 1,200 students
North Middle school:
= 618/1,200 * 20
= 10 students
Central Middle School:
= 378 / 1,200 * 20
= 6 students
South Middle School:
= 204/1,200 * 20
= 4 students
