Math scape 5.1 Flashcards
Expand (x + 5)(x + 3)
x2 + 8x + 15
Expand (x + 2)(y + 3)
xy + 3x + 2y + 6
Expand (u − 4)(v − 6)
uv − 6u − 4v + 24
Expand (x + 2)(x + 4)
x2 + 6x +8
Expand (7v − 2)(3v − 8)
21v2 − 62v + 16
Expand (x + 2)(x + 1)
x2 + 3x + 2
Expand (j − 8)(j − 7)
j2 − 15j + 56
Expand and simplify 3(2a + 5)(a − 4)
6a2 − 9a − 60
Expand (a + b)2
a2 + 2ab + b2
Expand (p − q)2
p2 − 2pq + q2
Expand (a + 3)2
a2 + 6a + 9
Expand (p − 9)2
p2 − 18p + 81
Expand (2x + 3)2
4x2 + 12x + 9
Expand (x + 1/x)2
x2 + 2 + 1/x2
Is k2 + 4 a perfect square?
no
Is x2 + y2 + 2xy a perfect square?
yes
Complete the perfect square (m + 5)2 = m2 + 10m + _____
25
Complete the perfect square (_____)2 = 49z2 − 42z + _____
7z − 3, 9
Expand (m + n)(m − n)
m2 − n2
Expand (ab − 8c)(ab + 8c)
a2b2 − 64c2
Expand (a + 7)(a +2) + 4
a2 + 9a + 18
Expand (4m − 3)(4m + 3) − (4m − 3)2
24m − 18
Expand (x + 2)(x2 + 3x + 4)
x3 + 5x2 + 10x + 8