solving systems using substitution and elimination
Applications of Linear Systems
Linear Inequalities
Systems of Linear inequalities
100
y=2x-3
y=x-1
What is (2,1)
100
y=-4x+8
y=x+7
What is (0.2, 7.2)
100
A furniture finish consist of turpentine and linseed oil. it contains twice as much turpentine as linseed oil. if you plan to make 16 fluid ounces of furniture how much turpentine do you need?
What is 10 2/3
100
Which point is a solution of y ≥ 4x – 5?
(1, 1)
(2, 1)
(3, 0)
(3, 4)
What is (1,1)
100
Which ordered pair is a solution of the system?
1.4x + 7y ≥ 21
10x – 2y ≥ 16
(1, 2)
(2, 2)
(5, 2)
(4, 1)
What is (5,2)
200
is (-1,5) a solution of x+y=4, 2x+4y+8
What is no 2x+4y equals 18 not 8.
200
3y+2x+4
-6x+y=-7
What is (1.25,0.5)
200
the perimeter of a rectangle is 114 feet. its length is three more than twice its width. find the dimensions of the rectangle.
What is 18ft by 39ft
200
Which point is NOT a solution of y < –x – 7?
(–6, –6)
(3, –9)
(–3, –7)
(0, 0)
What is (0,0)
200
Which ordered pair is a solution of the system?
y < 3x + 12
y ≥ 5x + 7
(1, 2)
(0, – 1)
(2, 17)
(–2, –5)
What is (2,17)
300
Decide wether each system has no solution, infinite solutions, or one solution. y=-3x+1
y=3x+7
What is different slopes one solution
300
5x-6y=-32
3x+6y=48
What is (2,7)
300
The difference between the measures of two complementary angles is 36 degrees . find both angles .(hint: two angles are comlementary if the sum of there measures is 90 degress)
What is 63 degrees and 27 degrees
300
Write 3x – 7y < –21 in slope-intercept form. Then graph the inequality.
What is y > 3/7x + 3
400
suppose you are having a party. there are two different type of guest attending vegeterians, and meat eaters. there are 6 vegeterians and they eats 4 scoops worth of food. there are 10 mat eatrs and they eat 2 scoops worth of food. write a system for this equation.
What is 6v+4
10m+2
400
2x+5y=-22
10x+3y=22
What is (4,-6)
400
Paola and Nayara bought some party supplies. Paola bought 3 packages of balloons and 4 packages for favors of $14.63. Nayara bought 2 packages of balloons and 5 packages for $16.03. find the price of the packaged balloons.
What is $1.29
400
Which point is NOT a solution of y < –x – 7?
(–6, –6)
(3, –9)
(–3, –7)
(0, 0)
What is (0,0)
500
y=3.2x+4.5
y=-8.7x-6.1
What is (-0.9,1.6)
500
4x+2y=14
7x-3y=-8
What is (1,5)
500
An airplane flew for 6 hours with a 22-km/h tail wind. the return flight against the same wind took 8 hours. find the speed of the plaine in still air.