Quadratics so far

Which expression is equivalent to

the polynomial: k²+7x+10?

• (k+2)(k+5)

• (k-2)(k-5)

• (k+10)(k+4)

• (k+2)(k-5)

Which expression shows the factors of: n² + 16n + 63?

• (n-7)(n+4)

• (n+7)(n-9)

• (n-3)(n-10)

• (n+7)(n+9)

Which expression is a factor of: k² -2k - 24

• (k-6)

• ((k+2)

• (k-1)

• (k-5)

Which expression shows the

factors of: x² + 9x - 36

• (x + 12)(x - 3)

• (x + 9)(x - 4)

• (x - 12)(x + 3)

• (x - 9)(x - 4)

Factor
r² -16r + 60

• (r - 15)(r + 4)
• (r - 6)(r + 10)
• (r - 6)(r - 10)
• (r +30)(r - 2)

The area of a rectangle painting is (x² + 9x - 36) square units.

Which of the following could be the dimensions of the painting?

• (x + 12)units

  by (x - 3) units.

• (x + 9) units

  by (x - 4)units

• (x - 12) units

  by (x + 3) units

• (x - 9)units

  by (x - 4)units

Factor
k² - 2k - 24

• (k+4)(k-6)
• (k+4)(k+6)
• (k+6)(k-1)
• (k-4)(k+6)

What are the factors of: x² + 9x - 36

• (x + 12)(x - 3)

• (x + 9)(x - 4)

• (x - 12)(x + 3)

• (x - 9)(x - 4)

• (x-2)(x-10)

• (x-1)(x+20)

• (x+5)(x+4)

• (x-5)(x+4)

Factor x² + 15x + 36