vht1 8.2C

today

Revision last week
expanding last theory

huiswerk

Multiple Choice

Simplify: 5(a - 2b)

• 5a - 2b

• 3ab

• 5a - 10b

• kan niet korter

Multiple Choice

Simplify: -2(a - 2b)

• -2a - -4b

• -2a - 4b

• -2a + 4b

• kan niet korter

expanding simplifying brackets

5a(2+b) = 10a + 5ab

5a(2+b) + 8a - b =

5a(2+b) + 3(a+2z) =

Multiple Choice

area of the rectangle is

• x $$\cdot$$ y+4

• x(y+4)

• x + x + y + 4 + y + 4

• 2 ⋅ x ⋅ y+4

Fill in the Blanks

Multiple Choice

simplify:

5(2a + 3b) - 3a

• 7a + 15b

• 7a + 3b

• 52a + 3b - 3a

• 49a + 3b

Multiple Choice

2x - 5(x+3)

• -3x - 15

• -3x + 15

• -7x - 15

• • 7x + 15

Multiple Choice

2(x + 1) - 3(x + 2) =

• -x - 4

• -x - 8

• -x + 8

• 5x + 8

homework

Make: 18 20 22 26
challenge: 20 22 36 en 29