Do Now: Pass out calculators. Have your study guides ready to check. Pick up some practice EOC questions from the back and complete.

Midterm Review!

Question # 1: 30 seconds Determine if the relation is a function.

Question # 2: 30 Seconds List the domain and range. State whether or not the relation is a function. Domain: 0,1,4,6,10 Range: 2,3,6,8,12 The relation is a function. Input Output

Question # 3: 1 min. Find the value of x if f(x) = 4x -5 and f(x) = 7. Answer: X = 3

Question # 4: 1 min. 30 sec. Solve the inequality. Graph your solution. ANSWER –5 < w < 6

Question # 5: 1 min. 30 sec. Solve the inequality. Graph your solution. x < –11 or x > 5 ANSWER

Question # 6: 1 min. 30 sec. Solve the inequality. Graph your solution. –0.2  m  2.6 ANSWER

Question # 7: 1 min. 30 sec. Solve 2x Graph your solution. x < 3 or x > 6 ANSWER The solutions are all real numbers less than 3 or greater than 6.

Question # 8: 1 min. 30 sec. Solve the inequality. Graph your solution. –  t  ANSWER

Question # 9: 1 min. 30 sec. Solve the inequality, if possible. Graph your solution. ANSWER no solution

Question # 10: 1 min. 30 sec. Solve the inequality, if possible. Graph your solution. ANSWER All real numbers are solutions because –1 > –6 is true.

Question # 11: 1 min. Mrs. Dixon walked 500 feet in one minute. What was my rate in miles per hour? Answer: 5.7 mph

Question # 12: 1 min. A plane travels 900 miles per hour, what is the rate of the rocket in feet per second? Answer: 1320 feet per second

Question # 13: 1 min. x c – b a = Answer:

Question # 14: 1 min. Solve the equation, if possible. ANSWER Notice that the statement 2x + 10 = 2x + 10 is true for all values of x. So, the equation is an identity, and the solution is all real numbers.

Question # 15: 1 min.

Question # 16: 1 min. Solve the equation. ANSWER 4

Question # 17: 1 min. Christmas Riddle! If athletes get athletes foot, what do astronauts get?? Answer: missletoe!

Midterm Review: Part 2

Graph the system of inequalities: Y – 2x 7 Y + 2x -1

What is the x-coordinate for the system of equations below? 2x + 5y = 14 6x + 7y = 10 Answer: (-3,4) -3 is the x-coordinate

What is the y-coordinate for the system of equations below? 4x – 3y = 5 -2x + 3y = -7 Answer: (-1, -3) -3 is the y-coordinate

What is the solution to the following system of equations? X = 17 – 4y Y = x – 2 Answer: (5, 3)

What is the slope and y-intercept of the following equation? 4y = 8x + 12 Answer: Slope = 2, y-intercept (0, 3)

What is the x-intercept of the following equation? 4x + y = -12 Answer: x = (-3, 0)

Graph the equation: y + 3 = -2(x – 3)

Scatter Plot Question

Answer: About 800,691

Write an equation of the line that passes through the point (0,2) and is parallel to the line y = -4x + 6. Answer: y = -4x + 2

Write an equation of the line that passes through the point (6,0) and is perpendicular to the line y = ¾x – ¼. Answer: y = -4/3x + 8

Two Parts: 1.Sketch an example of a scatter plot with a positive correlation. 2.Sketch an example of a scatter plot with a negative correlation.

What is the slope and y intercept of the graph of the equation 4y = 6x +12? Answer: m = 3/2; b = 3

Write an equation in slope intercept form of the line that passes through the point (-3, -1) and has a slope of 4. Answer: y = 4x + 11

Graph the line y = -2.

Graph the line 2x + y = 3.

Find the slope of the line that passes through the points (5, 2) and (5, -2). Answer: undefined.

Find the slope of the line that passes through the points (0,4) and (-3,4). Answer: 0

Find the slope of the line that passes through the points (0,6) and (5, -4). Answer: -2

Worth 2 points! Sarah and John have $15 to buy bananas and kiwis at Kroger. They will buy a total of 30 pieces of fruit. Bananas cost 60 cents each and kiwis cost 25 cents each. Write a system of equations that represents this situation. Answer: x + y = 30.60x +.30y = 15

Question # 20: 30 seconds What is the slope of the line of this graph? Write an equation that represents this situation.