Maths-
SAT
Easy
Question

Lines
and k in the x y-plane above are the graphs of the equations in a system. How many solutions does the system of equations have?
- None
- One
- Two
- More than two
The correct answer is: One
Since line l or ic met at one single point, the number of solutions of the system is one.
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The scatterplot above shows eight data points in the x y-plane. A line of best fit is also shown for the data. If each data point is shifted 3 units upward and a new line of best fit for the shifted points is drawn, how will the value of they-intercept of the new line compare with that of the line shown?

The scatterplot above shows eight data points in the x y-plane. A line of best fit is also shown for the data. If each data point is shifted 3 units upward and a new line of best fit for the shifted points is drawn, how will the value of they-intercept of the new line compare with that of the line shown?
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ax + by = b
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The graph shows the power capacity for the nine countries that had the greatest geothermal power capacity in 2010. What was the capacity, in megawatts, of the country that had the median capacity of the nine countries?

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