EXPRESSIONS, EQUATIONS, AND FUNCTIONS
Evaluate 4(6n+7) when n=6
What is 172.
11 times the square root of x where x=64
What is 88.
Identify the slope and y-intercept:
6x+3y=18
What is m=-2;b=6
Solve for x:
9x - 7 = -7
What is x = 0.
Solve the linear system:
5x + y = 4
6x - y = 7
What is x=1, y=-1 or (1,-1)
3 times the difference of a number m and 15 is equal to 30 (write as an expression)
What is 3(m-15)=30.
Simplify: -7x(x - 13)
What is -7x2+91x.
Identify the X-intercept and Y-intercept:
-2x+5y=-20
What is x-intercept=10; y-intercept=-4
Solve for x:
2(x + 5) = -2
What is x = -6.
What is the intersection of
x = 4 and y = 2.
What is (4, 2).
Is x=8 a solution for 2x + 10 < 4x - 7
What is no 26<25 does not work!
Evaluate: -16 - (-25.2).
What is 9.2.
Solve for x:
16x - 4 = 4(2x - 3)
What is x=-1.
Solve for x:
6 = 1 - 2x + 5
What is x = 0.
Is the ordered pair a solution to the linear system? (8,5), 5x - 4y = 20
3y = 2x + 1
What is No.
You buy apples at $2 per pound and oranges at $3.50 per pound. What is the total cost of 7 apples and 4 oranges?
What is $28.
An elevator moves at a rate of -5.8 feet per second from a height of 500 feet above ground. It takes 6 seconds for the elevator to make its first stop. How many feet above the ground is the elevator now?
What is 465.2 feet.
Solve proportion:
b/8=9/4
What is b=18.
Solve for x:
5x + 34 = -2(1 - 7x)
What is x = 4
What is Mrs. Hahn's son's name?
What is Logan.
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.
True or False: If a number is positive, then its opposite is negative.
What is True.
Describe the graph: y=-x+7
What is a y - intercept of +7 and a slope of -1.
Solve for x:
-5(1 - 5x) + 5(-8x - 2) = -4x - 8x
What is x = -5.
What is Mrs. Hahn's dog's name?
What is Holden.