Jeopardy-Systems Verify Solutions Writing Equations Systems of Ax+By=C to y = mx+b Intercepts Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500 Final Jeopardy
$100 Question from Systems of Equations What is the solution to this system of equations? Jeopardy
$100 Answer from Systems of Equations (1,6) Jeopardy
$200 Question from Systems of Equations A system of equations has been graphed at the right. What is the solution to this system of equations? Jeopardy
$200 Answer from Systems of Equations (4,3) Jeopardy
$300 Question from Systems of Equations What is the solution of the system of equations: x + y = 5 x - y = 3 Jeopardy
$300 Answer from Systems of Equations (4, 1) Jeopardy
$300 Question from Systems of Equations What is the solution of the system of equations: 2x – 5y = 11 -2x + 3y = - 9 Jeopardy
$300 Answer from Systems of Equations (3, - 1) Jeopardy
$400 Question from Systems of Equations You want to use the elimination method to solve for the solution to this system of equations. Describe how you can eliminate the y term. Jeopardy
$400 Answer from Systems of Equations Multiply the first equation by -8 and the second equation by 7 and then add the equations. Or Multiply the first equation by 8 and the second equation by -7 and then add the equations Jeopardy
$500 Question from Systems of Equations Given the system of equations, what do you know about the solution? Jeopardy
$500 Answer from Systems of Equations There is no solution— The lines are parallel— They lines will not intersect Jeopardy
$100 Question from Ax+By=C to y = mx+b What is the y-intercept of the graph of 4 x + 2 y = 12 ? Jeopardy
$100 Answer from Ax+By=C to y = mx+b y-intercept is 6 or (0, 6) Jeopardy
$200 Question from Ax+By=C to y = mx+b What is the slope of the graph of 4 x + 2 y = 12 ? Jeopardy
$200 Answer from Ax+By=C to y = mx+b Slope is -2 or -2/1 Jeopardy
$300 Question from Ax+By=C to y = mx+b Rewrite the equation below into slope-intercept form. 3x + 2y = 6 Jeopardy
$300 Answer from Ax+By=C to y = mx+b y = 3 – 3/2x or y = -3/2x + 3 Jeopardy
$400 Question from Ax+By=C to y = mx+b Rewrite the equation below into slope-intercept form. -x – 6y = - 12 Jeopardy
$400 Answer from Ax+By=C to y = mx+b y = 2 – 1/6x or y = -1/6x + 2 Jeopardy
$500 Question from Ax+By=C to y = mx+b What is the equation that represents the graph below? Jeopardy
$500 Answer from Ax+By=C to y = mx+b y = 2 – 2/3x or y = -2/3x + 2 Jeopardy
$100 Question from Intercepts What are the x & y intercepts for the graph below? Jeopardy
$100 Answer from Intercepts X-intercept = -1 or (-1, 0) Y-intercept = - 2 or (0, -2) Jeopardy
$200 Question from Intercepts What are the x & y intercepts for the equation: 4x + 2y = 12 Jeopardy
$200 Answer from Intercepts X-intercept is 3 or (3, 0) Y-intercept is 6 or (0, 6) Jeopardy
$300 Question from Intercepts What are the x & y intercepts for the equation: 3x – y = 9 Jeopardy
$300 Answer from Intercepts X-intercept is 3 or (3, 0) Y-intercept is -9 or (0, -9) Jeopardy
$400 Question from Intercepts A pet store sells angel fish for $6 each and clown fish for $4 each. It sold $36 worth of fish. How many angel fish would be sold if 0 clown fish were sold? How many clown fish would be sold if 0 angel fish were sold? Jeopardy
$400 Answer from Intercepts 6 angel fish and 0 clown fish 0 angel fish and 9 clown fish Jeopardy
$500 Question from Intercepts Which equation represents the graph below? A 2x – y = -2 B 2x + y = -2 C x – 2y = -2 D -x + 2y = -2 Jeopardy
$500 Answer from Intercepts B) 2x + y = -2 Jeopardy
$100 Question from Verify Solutions Is (2,1) a point on the line defined by 3x + 6y = 12? Must show work! Jeopardy
$100 Answer from Verify Solutions YES!! 3x + 6y = 12 3(2) + 6(1) = 12 6 + 6 = 12 12 = 12 Jeopardy
$200 Question from Verify Solutions Is (1, -7) a solution to the system of equations? -3x + y = - 2 x + y = - 6 You must show your work! Jeopardy
$200 Answer from Verify Solutions No -3x + y = - 2 -3(1) + -7 ≠ -2 -3 + -7 ≠ -2 -10 ≠ -2 Jeopardy
$300 Question from Verify Solutions Is (-1, -5) a solution to the system of equations? -3x + y = - 2 x + y = - 6 Jeopardy
$300 Answer from Verify Solutions YES! The point (-1, -5) worked for BOTH equations -3x + y = -2 x + y = - 6 -3(-1) + -5 = -2 -1 + -5 = - 6 3 + -5 = -2 - 6 = - 6 -2 = -2 Jeopardy
$400 Question from Verify Solutions For what value of x is (x, - 3) a solution for 4x – 3y = 21? A) -11 B) -3 C) 3 D) 11 Jeopardy
$400 Answer from Verify Solutions C) 3 Jeopardy
$500 Question from Verify Solutions a) 2x + y = 4 -x + y = 3 (1, 2) is a solution to which system of equations? b) -4x + y = - 4 6x + y = 8 c) -x + y = 1 x + y = 3 Jeopardy
$500 Answer from Verify Solutions c) -x + y = 1 -(1) + 2 = 1 x + y = 3 1 + 2 = 3 Jeopardy
$100 Question from Writing Equations Tyheim paid $17.50 to buy 6 youth tickets and 1 adult ticket to a school carnival. Ashley paid $22.50 to buy 3 youth tickets and 3 adult tickets at the carnival. Write a system of equations to represent the situation. (Let x represent cost of youth ticket and y represent cost of adult ticket) Jeopardy
$100 Answer from Writing Equations Tyheim’s Equation 6x + y = 17.50 Ashley’s Equation 3x + 3y = 22.50 Jeopardy
$200 Question from Writing Equations Tickets for a school concert cost $2 for students and $5 for adults. A total of 200 tickets were sold for $670. Write a system of equations to represent the situation. Jeopardy
$200 Answer from Writing Equations 2x + 5y = 670 x + y = 200 Jeopardy
$300 Question from Writing Equations The Arcadia Theater charges $4 for adult tickets and $3 for student tickets. Mr. Steele purchased 9 tickets (some student and some adult) for $31. Which system of equations could be used to find a, the number of adult tickets, and s, the number of student tickets Mr. Steele purchased? Jeopardy
$300 Answer from Writing Equations Jeopardy
$400 Question from Writing Equations Billy had a total of $47 in $5 and $1 bills in his wallet. He had a total of 15 bills. Write a system of equations that represents the situation if x represents $5 bills and y represents $1 bills? Jeopardy
$400 Answer from Writing Equations 5x + y = 47 x + y = 15 Jeopardy
$500 Question from Writing Equations The only coins Alex has are dimes and quarters. His coins have a total value of $5.80. He has a total of 40 coins. Write a systems of equations that can be used to find the number of dimes, d, and the number of quarters, q, that Alex has? Jeopardy
$500 Answer from Writing Equations .10d + .25q = 5.80 d + q = 40 Jeopardy
Final Jeopardy Jeopardy Complete the following statements: A system of two linear equations has no solution if … A system of two linear equations has infinitely many solutions if … A system of two linear equations has exactly one solution if … Jeopardy
Final Jeopardy Answer The equations have different y-intercepts and the same slope (parallel lines) The equations have the same y-intercept and the same slope (same lines) The equations have different slopes (intersecting lines) Jeopardy