Algebra 1 Review

Which of the following quadratic equations has exactly one real solution?

• 3/2

• 1/6

• 2/3

The graph shows the height of a plant y, measured in inches, after x weeks. Which linear function relates y to x?

• y = x − 1

• y = x − 2

• y = 1/2 x

• y = 2x

The steps Dan took to solve an inequality are shown below. What should Dan change in order to correctly solve the inequality?

• Nothing; he solved the inequality correctly.

• The constants should combine to equal −8.

• The < should be switched to a > in the third line.

• The > should be switched to a < in the second line.

The total area covered by four identical sidewalk squares is 36 square feet. What is the side length of one sidewalk square?

• 2 feet

• 3 feet

• 6 feet

• 9 feet

What type of equation is graphed?

• Linear

• Quadratic

• Exponential

• None of the given options

• (x - 7) and (x + 12)

• (x - 8) and (x - 13)

• (x + 7) and (x - 12)

• (x + 8) and (x - 13)

• -2

Which table of values represents a quadratic function?

• 
• 
• 
• 

• (2h+5)(2h-5)

• (4h+25)(4h-25)