Math 1 U8 Post Assessment Review

Which binomial is a factor of 2x²-x-15?

• 2x+5

• 2x-5

• x+3

• 2x+15

The area of a rectangular frame is given as 2x²+5x-12. Which of the following can represent the dimensions of the frame?

• (2x+3) and (x+4)

• (2x-3) and (x-4)

• (2x-3) and (x+4)

• (2x+3) and (x-4)

Which expression is equivalent to 16b²-24b+9?

• (3b+4)²

• (4b+3)²

• (4b-3)²

• (3b-4)²

What is the product of (4x+5)(2x-3)?

• 8x²-2x+15

• 8x²+2x-15

• 8x²+2x+15

• 8x²-2x-15

The image shows the region that Sheena cut out from the greeting card that she is making for Valentine's. Determine the area and perimeter of the shaded region by dragging the appropriate expressions to their correct place in the sentence below.

The area of the shaded region is ​ (a)   and the perimeter is ​ (b)  

• 7x^2-23x+6
• 16x-10
• 8x-11
• 4x^2+16x+15
• 12x^2+36x+15
• 10x+11
• 16x+10

Which equation is equivalent to (3x+1)(2x²+3x-4)

• 6x³+11x²+9x+4

• 6x³-11x²-9x+4

• 6x³+11x²-9x-4

• 6x³+7x²-15x-4

Carl and Chin are sales representatives in the clothing section of a department store. Mathematical models are used to describe their sales at the end of each cutoff. Carl's function is given by R(c) = 110c+45 while Chin's function is defined as H(c) = 95c+50, where c stands for the number of items sold.

Which of the functions below will represent their TOTAL sales, T(c), for this cutoff?

• 4x² + 2

• 4x² + 18

• 4x² - 18

• 4x² - 2

• 5x² + x + 1

• 5x² + 2x + 1

• 5x² + 6x + 1

• 5x² + 3x + 1