Systems of Linear Equations
1. Find the solution to the system, if it exists
x-7y=-11 and 5x+2y=-18
x=-4, y=1
1. Solve for z
4(z+2)-1>5-7(4-z)
z<10
1. Solve for u
u^2-5u-14=0
u=7,-2
True or false?
((2^2)^3) = 2^5
False (2^6)
How old is Mason?
2. Find the solution to the system, if it exists
7x-8y=-12 and -4x+2y=3
x=0, y=3/2
3. Solve for x
-1<4x+2<10
-3/4<x<2
2. Solve for x
x^2+15x=-50
x=-5,-10
True or False?
Two lines with positive slopes can be perpendicular.
False
What is Mary's least favorite subject in high school?
English
3. Find the solution to the system, if it exists
3x+9y=-6 and -4x+2y=8
x=-2, y=0
4. Solve for z
8<3-5z<12
-9/5<z<-1
3. Solve for y
y^2=11y-28
y=7,4
True or False?
x + 2 = 7 is called an inequality.
False (equation)
What is Vandan's favorite TV show?
Grey's Anatomy
4. Find the solution to the system, if it exists
6x-5y=8 and -12x+2y=0
x=-1/3, y=-2
5. Solve for w
0<10w-15<23
3/2<w<19/5
5. Solve for w
6w^2-w=5
w=1,-5/6
True or False?
The additive inverse of -10 is 10.
True
What university did Andrea attend before CSU?
Miami of Ohio '19
5. Find the solution to the system, if it exists
-2x+10y=2 and 5x-25y=3
No solution
6. Solve for x
2<(1/6)-(1/2)x<4
-23/3<x<-11/3
6. Solve for z
z^2-16z+61=2z-20
z=9
True or False?
-2^3 = (-2)^3.
True
What country was Juan born in?
Honduras