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EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS/GRAPHING
SYSTEMS OF EQUATIONS
Quadratics
100
4(6n+7) when n=6
What is 172.
100
11-square root of x where x=64
What is 3.
100
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
100
Solve the linear system: 5x+y=4, 6x-y=7
What is x=1, y=-1 or (1,-1)
100

Is the vertex of this graph the maximum or minimum?: y=-2x^2+4x-8

What is the maximum.

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
X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4
200

Graph: x>4 and y<2, choose a point that is a solution to the system of inequalities.

What is any coordinate point where the x-value is greater than 4 and the y-value is less than 2.

200

Find the vertex of y=x^2+4x-8.

What is (-2,-12).

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
Solve for x: 16x-4=4(2x-3)
What is x=-1.
300

Is the ordered pair a solution to the linear system? (8,5), 5x-4y=20, 3y=2x+1

What is No.

300

Factor x^2+6x+5.

What is (x+1)(x+5).

400
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 ; 28
400
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.
400
Solve proportion: b/8=9/4
What is b=18.
400

Graph: x<3, y>1 and y>x, choose a point that is a solution to the system of inequalities.

What is multiple solutions in the shaded region. Majority in quadrant 2.

400

Amir stands on a balcony and throws a ball to his dog, who is at ground level. The ball's height (in meters above the ground), x seconds after Amir threw it, is modeled by:

h(x)=-(x-2)^2+16

What is the maximum height of the ball?

What is 16 meters.

500
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.
500
True or False: If a number is positive, then its opposite is negative.
What is True.
500
Graph: y=-x+7
What is look at graph.
500
Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2 or (-1,2)
500

Amir stands on a balcony and throws a ball to his dog, who is at ground level. The ball's height (in meters above the ground), x seconds after Amir threw it, is modeled by:

h(x)=-(x-2)^2+16

What is the height of the ball at the time it is thrown?

What is 12 meters.