Intersections, solutions & real roots
 How many times does the graph intersect the x-axis?
How many solutions does the graph have?
How many real roots does the graph have?
How many solutions does the graph have?
 How many times does the graph intersect the x-axis?
How many real roots does the graph have?
How many solutions does  the graph have?
How many solutions does the graph have?
How many real roots does the graph have?
How many real roots does the function have?
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