EXPRESSIONS, EQUATIONS, AND FUNCTIONS
4(6n+7) when n=6
What is 172?
11 - √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
Solve for x: 3x + 6y = 8
x-6y=4
x = 3
3 times the difference of a number m and 15 is equal to 30
What is 3(m-15)=30?
-16-(-25.2)
What is 9.2?
X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4?
Equation in standard form of the line that passes through the two given points: (3,9) (1,1).
What is -4x+y=-3?
Solve the linear system: 5x+y=4, 6x-y=7
What is x=1, y=-1?
x=8 is a solution for 2x+10<4x-7
What is no?
Simplify: -7x(x-13)
-7x^2 + 91x
Solve for x: 16x-4=4(2x-3)
What is x=-1?
The domain of this graph
what is (-∞, ∞)
Is the ordered pair a 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 an expression for the total cost of fruit purchased? Also, what is the total cost of 7 apples and 4 oranges?
What is 2x+3.50y=c and 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: b/8=9/4
What is b=18?
ACTIVITY
stand on one leg while reciting the 5 times table
Aaliyah and Melissa are going shopping. Melissa spent $120 on 3 pairs of jeans and 6 blouses. Aaliyah spent $90 on 2 pairs of jeans and 5 blouses. 1 blouse and 1 pair of jeans costs...
Jeans = $20
Blouse= $10
A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner? (Hint: A=lw, P=2l+2w)
What is 42 feet?
True or False: If a number is positive, then its opposite is negative.
What is True?
Graph: y=-x+7
What is look at graph.
Graph: y>4x-3
What is look at graph?
Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2?