EOC Review

What is the product of the following expression? 
(3x+6)²

• 6x²+12
• 9x²+36
• 9x²+18x+36
• 9x²+36x+36

If the first Now=-9, which equation represents this sequence?

• Next=Now-5
• Next=Now+5
• Next=5(Now)-1
• Next=5(Now)+1

The senior class at a local high school is raising money to purchase a new $1,350 lighting system for the school auditorium. To date the senior class has raised $450. If the seniors plan to raise $90 per week for x weeks, which inequality can be used to determine how many weeks they will need to raise at least $1,350 ? 

• 450-90x≤1,350
• 450+90x≤1,350
• 90x-450≥1,350
• 90x+450≥1,350

The graph y=2x-4 of is shown below. 

If the slope of the line is doubled, the new equation is y=4x-4 . Which of these is a correct comparison of the two lines? 

• The x-intercept and y-intercept change. 
• The x-intercept and y-intercept stay the same. 
• The x-intercept changes, and the y-intercept is the same. 
• The x-intercept is the same, and the y-intercept changes. 

Which of these shows the following expression factored completely? 
6x²+15x-36

• (2x-3)(x+4)
• (6x+9)(x-4)
• 3(2x-3)(x+4)
• 3(2x+3)(x-4)

A computer technician charges a one-time fee of $50 plus an additional $20 per hour of labor. If an equation is created to determine the technician's total charge, what does the $50 represent? 

• slope 
• coefficient 
• x-intercept 
• y-intercept 

What is the solution to the following equation? 
10x²+x=9x²+2

• x=1 or x=-2
• x=-1 or x=2
• x=1 or x=-2
• x=1 or x=2

Based on this scatter plot, which equation could be a line of best fit? 

• y=-5x+110
• y=-5x+85
• y=5x+110
• y=5x+85

Which equation represents a nonlinear function?

• y=x⁵
• y=x/5
• y=5x
• y=5

What is the product of the following expression? 
2x(x²+x-5)

• 2x³+x-5
• 2x³+2x-10
• 2x³+2x²-5x
• 2x³+2x²-10x