Solve the following system of equations using substitution: x + 2y = 8 and y = 3x - 4. What is the value of x?

C. 4
Posted in:  Linear Equations -  Algebra -  Mathematics

A practical problem states that a car travels 60 km/h and a truck travels 40 km/h. If they start from the same point and travel in opposite directions, how far apart will they be after 2 hours?

B. 120 KM
Posted in:  Linear Equations -  Algebra -  Mathematics

If the lines represented by the equations 3x - 2y = 4 and 6x - 4y = 8 are graphed, what can be concluded about their relationship?

C. THEY ARE THE SAME LINE.
Posted in:  Linear Equations -  Algebra -  Mathematics

A practical problem states that a car travels 60 km/h and a truck travels 40 km/h. If they start from the same point and travel in opposite directions, how far apart will they be after 2 hours?

B. 120 KM
Posted in:  Linear Equations -  Algebra -  Mathematics

A store sells pencils for $0.50 each and erasers for $1.00 each. If a student buys a total of 10 items for $6.00, how many pencils did the student buy?

B. 4
Posted in:  Linear Equations -  Algebra -  Mathematics