Title: Equacions de 2n. grau
Course: Matemàtiques

Q: \( x^2-x-2=0 \)

a) x=-1 x=0 | b) x=2 x=3 | c) x=-1 x=2 | d) x=5 x=6

[...]
A: c
Gap 1 offers: a; b; c; d

Q: \( x^2-8x+15=0 \)

a) x=1 x=2 | b) x=1 x=3 | c) x=2 x=4 | d) x=3 x=5

[...]
A: d
Gap 1 offers: a; b; c; d

Q: \( x^2-2x=8 \)

a) x=-2 x=4 | b) x=-3 x=5 | c) x=-5 x=1 | d) x=-4 x=4

[...]
A: a
Gap 1 offers: a; b; c; d

Q: \( x^2=2x \)

a) x=1 x=2 | b) x=0 x=5 | c) x=1 x=5 | d) x=0 x=2

[...]
A: d
Gap 1 offers: a; b; c; d

Q: \( x^2+3x+2=0 \)

a) x=0 x=2 | b) x=-1 x=-2 | c) x=1 x=2 | d) x=0 x=3

[...]
A: b
Gap 1 offers: a; b; c; d

Q: \( x^2+4x+3=0 \)

a) x=-1 x=-3 | b) x=-1 x=-4 | c) x=1 x=3 | d) x=2 x=4

[...]
A: a
Gap 1 offers: a; b; c; d

Q: \( 2x^2=14x-12 \)

a) x=1 x=2 | b) x=1 x=4 | c) x=1 x=6 | d) x=2 x=8

[...]
A: c
Gap 1 offers: a; b; c; d

Q: \( 5x^2=20x \)

a) x=0 x=4 | b) x=1 x=4 | c) x=5 x=20 | d) x=2 x=3

[...]
A: a
Gap 1 offers: a; b; c; d

Q: \( 2x^2=32 \)

a) x=-1 x=2 | b) x=2 x=8 | c) x=-4 x=4 | d) x=-8 x=8

[...]
A: c
Gap 1 offers: a; b; c; d

Q: \( 3x^2+3x=6 \)

a) x=2 x=4 | b) x=5 x=-1 | c) x=3 x=1 | d) x=-2 x=1

[...]
A: d
Gap 1 offers: a; b; c; d