Math 3A - Chapter 1 Review

Chapter 1 Review
LO 1, 2, 3, 4

LO 1

Simplify and Solve Absolute Value Equations

Multiple Choice

Solve the equation

$$\left|2x+9\right|=15$$

• x = 3 
• x = 3
  x = -6
• x = 3
  x = -12
• No Solution

• I am not sure how to do this.

LO 2

Simplify and Solve Polynomial Equations, Including Complex Solutions

Multiple Choice

Solve using the quadratic formula.  

$$2x^2+7x-15=0$$

• x = -1.5

  x = 5

• No Solution
• x = -5

  x = 1.5

• x = 0.7

  x = 5

• I am not sure how to do this.

Multiple Choice

Solve the equation.

$$x^3-3x^2-5x+15=0$$

• x = 3

  x = √5 

• x = 3

  x = √5

  x = -√5

• x = -3

  x = √5

  x = -√5

• x = -3

  x = 5i

  x = -5i

• I am not sure how to do this.

LO 3

Simplify and Solve Rational Equations

Multiple Choice

Solve the equation.

$$\frac{4}{3}+\frac{2}{x}=4$$

• x = 4/3
• x = 2
• x = 3/4
• x = 2/3
• I am not sure how to do this.

LO 4

Simplify and Solve Radical Equations

Multiple Choice

Solve the equation.

$$\sqrt[]{3x+10}=x+4$$

• x = -2
• x = -2, 3
• x = -2, -3
• x = -3
• I am not sure how to do this.