CMS Algebra/Honors Unit 1 Review Solving Equations and Inequalities

m=C/(2n)

For the formula 𝐶 = 2𝑚𝑛 solve for 𝑚.

all real numbers

Solve

no solution

Solve

x=14

Solve

x=P/(3yz)

Solve for x: 3xyz=P

x=2

solve

If s= 40.02 and s represents songs, you can buy up to 40 songs to stay within the budget.

Music Magic offers live streaming for $9.99 a month, with downloads at $0.50 a song. You have $30 a month budgeted for this service. The equation 0.5s + 9.99 = 30 describes the situation. The solution to this equation is s = 40.02. Explain what this means in terms of service.

x=(y+3)/2

Solve the equation for x, in terms of y 2x - 3 = y

C

Solve the inequality

x≤-11

Solve the inequality

x≥-21

Solve the inequality

r=48

The formula for Ohm's Law is E = IR, where E represents voltage measured in volts, I represents current measured in amperes, and R represents resistance measured in ohms. Suppose a current of 0.25 ampere flows through a resistor connected to a 12-volt battery. What is the resistance in the circuit?

A

What is the graph of the solution to the inequality 3x -10≤5x -12?

C

Which is the graph of the solution to the inequality -4x+8>12?

2x + 12=20

Write an equation for: Two pounds of nuts which cost x dollars a pound, and four pounds of chocolates which cost $3 a pound costs $20.

5x +4 > 20

Write an inequality for the statement: Four more than the product of five and x is greater than twenty.

Original Equation Addition Property of Equality Commutative Property of Addition Simplify/Combine Like Terms Division Property of Equality Simplify

solve and identify the properties used for each step

Original Equation Subtraction Property of Equality Commutative Property of Addition Simplify/Combine Like Terms Multiplication Property of Equality Simplify

solve and identify the properties used for each step