EXPRESSIONS, EQUATIONS, AND FUNCTIONS
4(6n+7) when n=6
What is 172.
11-square root of x where x=64
What is 3.
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
Equation of the line that passes through the point (-2,9) and has slope -2.
What is y=2x+5
(2x-1)(x+3)
What is 2x2+5x-3?
3 times the difference of a number m and 15 is equal to 30 (as an equation)
What is 3(m-15)=30.
Simplify: -7x(x-13)
What is 7x^2+91x.
Equation in standard form of the line that passes through the two given points: (3,9) (1,1).
What is -4x+y=-3.
Simplify:
(-2a2b)(3a4b7)
What is -6a6b8 ?
x=8 a solution for 2x+10<4x-7
What is no 26<25 does not work!
-16-(-25.2).
What is 9.2.
Solve for x: 16x-4=4(2x-3)
What is x=-1.
Equation of the line that passes through the given point and is parallel to the given line: (3,-3), y=x+5
What is y= x - 6
Add:
(3x2 + 6x -3) + (4x +2x2 +5)
What is 5x2 + 10x +2 ?
Solve: Answer must be an integer or fraction in simplest form.
2(x -5) + 3x = 24
x = 34/5
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 about the ground is the elevator now?
What is 465.2 feet.
Solve proportion: b/8=9/4
What is b=18.
Solve: -3(x-2)+6>9
What is x< 1?
Subtract:
(7y3 +2y2 - 7) - (-2y3 +4y2 +7)
What is 9y3 - 2y2 - 14 ?
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.
Write y=-x+7 in standard form.
What is x + y =7 ?
Write y - 2=4(x-3) in slope intercept form.
What is y = 4x -10 ?
Simplify:
(5x10y3z20)0
What is 1?