How many solutions?
How many solutions does the following system of equations have?
y=4x+2
y=4x+2
Infinite
What is the solution to a system of equations graph?
The intersection point
Finish the sentence:
To eliminate a variable we need
same _____________ opposite __________.
same coefficient
opposite signs
The school sells pizza and nachos at the concession stand. They charge $1 for a pizza slice and $2 for nachos. At the basketball game, the school sold 125 items and earned $200. How much of each item did they sell?
They sold 75 nachos and 50 slices of pizza.
What college did Miss H go to and what is that college's mascot?
Cal poly SLO
Mustang
How many solutions does the following system of equations have?
y=-3x+1
y=2x+4
One solution, different slopes
Graph and state the solution(s) to:
y= 4x-2
y= -3x + 5
(1, 2)
Solve the system with elimination:
x+y=8
-x+2y=4
(4, 4)
Jessica bought a 5 bags of chips for $6. Hot Cheetos cost $1 and Takis cost $1.25. How much of each kind of chip did Jessica buy?
Jessica bought 1 bag of hot cheetos and 4 bags of takis.
What was Miss H's major in college?
Math
How many solutions does the following system of equations have?
y=-4x+3
y=-4x+10
No solution, parallel lines
Graph and find the solution to:
y=-1/2 x + 3
y= 3/2 x - 1
(2, 2)
Solve the system with elimination:
4x-2y=10
-2x+y=5
No solution
Rob has 40 coins, all dimes and quarters, worth $7.60. How many dimes and how many quarters does he have?
24 quarters and 16 dimes
What are Miss H's favorite animals?
Penguin and Turtle
How many solutions do lines with different slopes have?
One solution
What type of lines have no solution?
Parallel Lines
Solve the system using elimination:
7x+5y=4
2x+3y=-2
(2, -2)
The talent show committee sold a total of 530 tickets in advance. Student tickets cost $3 each and the adult tickets cost $4 each. If the total amount earned was $1740, how many of student and adult tickets were sold?
They sold 150 adult tickets and 380 student tickets.
What sport did Miss H play in high school?
Volleyball
How many solutions does the following system of equations have?
3x+2y=12
6x+4y=24
Infinite solutions
Graph and state the solution to:
x-3y=12
6x+2y=12
(3, -3)
Solve the system using elimination:
-3x+7y=-16
-9x+5y=16
(-4, -4)
Judy worked 8 hours and Ben worked 10 hours. Their combined pay was $800. When Judy worked 9 hours and Ben worked 5 hours, their combined pay was $650. Find the hourly rate of pay for each person.
Judy makes $50 per hour and Ben makes $40 per hour .
How do you spell Miss H's last name?
Hennekam