EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS/GRAPHING
WRITING, SOLVING AND GRAPHING LINEAR EQUATIONS
Variety
2

4(6n+7) when n=6

172

2

What is the square root of 25?

5

2

Identify the slope and y-intercept: 6x+3y=18

m=-2;b=6

2

Equation of the line that passes through the point (-2,9) and has slope -2.

What is y=2x+5

2

What is the quadratic formula?

see answer 

5

Write 3 times the difference of a number m and 15 is equal to 30 (as an expression)

3(m-15)=30

5

Simplify: -7x(x-13)

7x^2+91x

5

X-intercept and Y-intercept: -2x+5y=-20

x-intercept=10; y-intercept=-4

5

Write an equation in standard form that has a slope of 3/4 and contains the point (0, -1)

3x - 4y = 4

5

Simplify the expression: x0

1

7

Is x=8 a solution for 2x+10<4x-7

no 26<25 does not work!

7

-16-(-25.2).

9.2

7

Solve for x: 16x-4=4(2x-3)

x=-1

7

Write an equation in point-slope form that has a slope of ⅓ and contains the point (7, -2)

y + 2 = ⅓(x - 7)

7

Simplify the expression: x1

x

9

What is the value of x for the given equation? x+2=12

x=10
9

x+3x+9x-2x=?

11x

9

Solve b: 4b=72

b=18

9

Solve: 2(5x+4)=48

x=4

9

What property of equality will be used for the given? 14+x=21

Subtraction Property of Equality

10

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?

2x+3.50y=c ; 28

10

True or False: If a number is positive, then its opposite is negative.

True

10

Graph: y=-x+7

look at graph.

10

Graph: y=4x-3

look at graph.

10

What type of polynomial is the given? x+2

 Binomial