Unit 3 Exam 1 Review Algebra 1 By Brit Caswell-Wind

Problem 1 Carlos caught 24 trout and bass while on a fishing trip. The total weight of his catch was 137 pounds. The average weight of a trout was 2.5 pounds, and the average weight of a bass was 8 pounds. How many trout and how many bass did he catch?

Describe the steps to use elimination. Problem 2 Describe the steps to use elimination.

Describe the steps to use substitution. Problem 3 Describe the steps to use substitution.

Problem 4 Plot the point that represents the solution to the following system: -5y + 4x = 49 7y + 2x = -23

Problem 5 What is the solution to the following system of equations?

Problem 6 Determine the equation of a line in slope-intercept form that passes through (-3, -5) and is perpendicular to y = -2x – 5.

Problem 7 Determine the equation of a line in slope-intercept form that passes through (-3, -5) and is parallel to y = -2x – 5.

Problem 8 If line a is parallel to line b, which of the following are true? Their slopes are the same. Their slopes are opposite reciprocals. They never intersect. They intersect once. One has a positive slope and the other a negative slope.

Problem 9 If line a is perpendicular to line b, which of the following are true? Their slopes are the same. Their slopes are opposite reciprocals. They never intersect. They intersect once. One has a positive slope and the other a negative slope.