Algebra refresher #2

2x + 3(5x - 7) = 47

• x = 1
• x = 2
• x = 3
• x = 4

3x - x + 4 = 4(2x +1)

• no solution
• all real numbers (infinite)
• x = 6
• x = 0

4(-8x + 5) = -32x - 26

• 54
• -54
• all real numbers (infinite)
• no solution

What is the equation for the line that passes through the points (4,2) and (0,6)?

• y = x + 6
• y = -2x + 2
• y = -x - 6
• y = -x + 6

Find the equation of the line in slope-intercept form. 

• y = - 1/4x - 3
• y = 1/3x + 3
• y = - 1/4x + 2
• y = 1/3x -3

Write the equation of the line that passes through the point (1, -1) and has a slope of -4.

• y = -4x + 3

• y = -4x - 3

• y = -4x + 5

• y = -4x - 5

Convert the equation 2x – 4y = 8 in the form y = mx + b.

• a. Y = 1/2x - 2

• b. y = 1/2x + 2

• a. Y = - 1/2x - 2

• a. Y = 2x - 4

What is the linear equation y = 3x + 5 in the form Ax + By = C?

• a. 3x + y = 5

• b. 3x + y = -5

• c. -3x + y = -5

• d. 3x - y =- 5