Test scores of the seventh-grade students and the fifth-grade students at a local school. Seventh-Grade and Fifth-Grade Students' Test Scores
7th Grade
5 6 7 89 10 11 12 13 14 15 16 17 18 19 20
Test Score
5th Grade
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Test Score

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)