# Algebra 8 Midterm Review

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Algebra 8 Midterm Review

Graphing Linear Equations
Solving Equations Linear Equations Word Problems Graphing Linear Equations Miscellaneous \$100 \$100 \$100 \$100 \$100 \$200 \$200 \$200 \$200 \$200 \$300 \$300 \$300 \$300 \$300 \$400 \$400 \$400 \$400 \$400 \$500 \$500 \$500 \$500 \$500

Team 1 Team 2 Team 3 Team 4 Back to Game Board

100 pts m = 4 Music Score Back

200 pts b = -2 Music Score Back

300 pts solve for g: fg - 9h = 10j Music Score Back

400 pts 7 - 3r = r - 4(2 + r) no solution Music Score Back

500 pts {7, -3} Music Score Back

100 pts Write the equation of a line in point-slope form if the line has a slope of -2 and goes through the point (2, -1). y + 1 = -2(x - 2) Music Score Back

200 pts Write the equation of a line in slope-intercept form if the slope of the line is and goes through the point (4, 2). y = 1/2 x y = 1/2x + 4 Music Score Back

300 pts Write the equation of a line in slope-intercept form if the line goes through the points (3, 5) and (2, -2). y = 7x - 55 Music Score Back

Write into standard form:
400 pts Write into standard form: 5x - 3y = -24 Music Score Back

500 pts Write the equation of a line in slope-intercept form if the line goes through the point (3, 6) and is perpendicular to 3x - 4y = -2. y = -4/3x + 10 Music Score Back

On a piece of graph paper, graph the equation
100 pts On a piece of graph paper, graph the equation Music Score Back

200 pts Jackie works for a treadmill company. The red equation represents how much her company spends on building the treadmills. The blue equation represents how profit her company earns per treadmill. How many treadmills does her company have to sell to make their profit equal to the cost to build a treadmill? Total Profit Number of Treadmills sold Jackie's company needs to sell 22 treadmills in order for their profit to equal their cost. Music Score Back

1 solution (7, -3), consistent and independent
300 pts Solve the following system of equations graphically. Then describe the solution: y = 2x - 17 y = x - 10 1 solution (7, -3), consistent and independent Music Score Back

400 pts Graph the linear function below by finding the x-intercept and y-intercept. 3x - 2y = 12 x-intercept: (4, 0) y-intercept: (0, -6) Music Score Back

Part A: graph line a: y = 2x - 3
500 pts Part A: graph line a: y = 2x - 3 Part B: Construct line b on the coordinate grid so that line a and line b represent a system of linear equations with a solution of (2, 1). Write the equation of line b in slope-intercept form. answers may vary Music Score Back

100 pts 35% percent of decrease
State whether each percent of change is percent of increase or decrease. Then find the percent of change. Original: 98.6 New: 64 35% percent of decrease Music Score Back

Find the final price of each item.
200 pts Find the final price of each item. TV: \$375.00 Discount: 25% Tax: 7.25% \$301.64 Music Score Back

300 pts y = 2x + 12 After 8 years, she will be making \$28 per hour.
Jamie works at American Eagle and earns a higher salary each year. After 2 years of working, Jamie was making \$16 per hour. After 5 years of working, Jamie was making \$22. Part A Write an equation in slope-intercept form to represent Jamie's hourly salary per year. Part B What will Jamie's salary be after working for 8 years? y = 2x + 12 After 8 years, she will be making \$28 per hour. Music Score Back

400 pts Write an equation to show that the measure of <ABD is equal to the measure of <FEC. Then solve the equation. 5x - 6 29 2x 2x + 5 x = 8 Music Score Back

500 pts -2x + 5 = ax + b Find one value of a and one value for b so that there are no values of x that makes the equation above true. a can be anything other than -2. b can be anything other than 5. Music Score Back

Determine if each of the following are a function or not.
100 pts Determine if each of the following are a function or not. a) b) c) d) a) no b) no c) yes d) yes Music Score Back

a) f(4) = 12 b) g(-6) = 33 c)f(-3) + g(2) = -1
200 pts If f(x) = 2x + 4 and g(x) = , find each value. a) f(4) b) g(-6) c) f(-3) + g(2) a) f(4) = 12 b) g(-6) = 33 c)f(-3) + g(2) = -1 Music Score Back

Write the equation for each line: a) b)
300 pts Write the equation for each line: a) b) a) x = -2 b) y = 3 Music Score Back

400 pts To the left is a scatter plot with a line of best fit drawn. Using the points (4, 2) and (18, 8), find the equation of the line of best fit. y = 3/7x - 2/7 Music Score Back

Shelly bought 3 pairs of jeans and 5 sweaters
500 pts Shelly has \$175 to shop for jeans and sweaters. Each pair of jeans costs \$25, each sweater cost \$20, and she buys 8 items in total. Determine the number of pairs of jeans and sweaters that Shelly bought. Shelly bought 3 pairs of jeans and 5 sweaters Music Score Back

What is the equation of the function on the graph to the left?
Daily Double What is the equation of the function on the graph to the left? f(x) = | x + 4 | Music Score Back

Write your wager in the box.
Daily Double Write your wager in the box. Go on to Daily Double Question Music Score Back

Instructions for Playing Jeopardy: