EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
SYSTEMS OF EQUATIONS
100
4(6n+7) when n=6
What is 172.
100
True or False: If a number is positive, then its opposite is negative.
What is True.
100
Solve the linear system: 5x+y=4, 6x-y=7
What is x=1, y=-1 or (1,-1)
200
3 times the difference of a number m and 15 is equal to 30 (as an expression)
What is 3(m-15)=30.
200
Simplify: -7x(x-13)
What is 7x^2+91x.
200
Graph: x>4, y<2
What is look at graph.
300
x=8 a solution for 2x+10<4x-7
What is no 26<25 does not work!
300
-16-(-25.2).
What is 9.2.
300
Is the ordered pair a linear system? (8,5), 5x-4y=20, 3y=2x+1
What is No.
400
A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?
What is 42 feet.
400
11-square root of x where x=64
What is 3.
400
Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2 or (-1,2)
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