Warm Ups week of April 24

• (x-4)(x-4)

• (x+4)(x+4)

• (x+2)(x+8)

• (x-4)(x+4)

Solve: 2x + 3(x-4) = 6x + 9

Mathematical Equivalence

ON

• f(x)=(x+5)(x-3)

• f(x)=(x-5)(x+3)

• f(x)=(x+5)(x+3)

• f(x)=(x-5)(x-3)

• (x+2)(x-3)

• (x-6)(x+1)

• (x+1)(x+6)

• (x-3)(x-3)

Mathematical Equivalence

ON

What is the domain and range of this function?

• Domain: all real numbers

  Range y<0

• Domain:

  x<0

  Range: all real numbers

• (x-7)(x-7)

• (x+7)(x+7)

• (x-7)(x+7)

• (x-49)(x+1)

A freighter charges $200 per ton of scrap metal it hauls, plus a loading fee of $450. What is the y-intercept in the context of this scenario?

• It costs $450 to haul 0 tons of scrap

• It costs $0 to haul 0 tons of scrap.

• It costs $0 to haul 200 tons of scrap

• It costs $450 to haul 200 tons of scrap

• (8x+11)(8x+11)

• (8x-11)(8x+11)

• (8x-11)(8x-11)

• (x+11)(x+8)

• 4 and 9

• -9 and 4

• -4 and 9

• -4 and -9