For Exercises 1–6 determine the number of solutions to the system without solving the system. Explain your answers. y = − 4 x + 2 y = − 4 x + 2
For Exercises 1–6 determine the number of solutions to the system without solving the system. Explain your answers. y = − 4 x + 2 y = − 4 x + 2
Solution Summary: The author explains that the system of equations represents 2 lines with the same equation, so every point on the line would be a solution.
In Exercises 11–12, find the solution set for each equation.
11. |5x + 3| = 7
12. |6x + 1| = [4x + 15||
The bar graph shows the percentage of households with an interfaithmarriage in 1988 and 2012. Also shown is the percentage of households in which a person of faith is married to someone with no religion.The formula I =1/4x + 26 models the percentage of U.S. households with an interfaith marriage, I, x years after 1988.The formula N =1/4x + 6 models the percentage of U.S. households in which a person of faith is married to someone with no religion, N, x years after 1988.In which years will more than 33% of U.S. households have an interfaith marriage?
Choose
1.
3. Solve the system:
- 2x + y = 4
x - 3y = 4
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