WorksheetsGrade 10, Chapter (5) - Quadratic Functions
Total questions: 13
Worksheet time: 10mins
The equation 4x2 – 8x – 5 = 0 has __________ .
two real solutions
only one real solution
no real solution
The equation x2 + 4x + 4 = 0 has ___________ .
two real solutions
only one real solution
no real solution
The equation 2x2 – 3x + 4 = 0 has __________ .
two real solutions
only one real solution
no real solution
When b2 – 4ac > 0, the graph passes through the x-axis at __________ .
two points
three points
one point
no point
The quadratic equation __________ which has solution set {1, 2}.
x2 – 3x + 2 = 0
x2 – 2x = 0
x2 – x + 2 = 0
x2 – 2 = 0
The solution set of 2x2 + 8x + 8 < 0 is __________ .
∅
R \ {– 2}
{– 2}
R
The solution set of 2x2 + 8x + 8 > 0 is _________ .
∅
R \ {– 2}
{– 2}
R
The solution set of 2x2 + 8x + 8 ≤ 0 is ___________ .
∅
R \ {– 2}
{– 2}
R
The solution set of 2x2 + 8x + 8 ≥ 0 is _________ .
∅
R \ {– 2}
{– 2}
R
Complete the square in each of the following.
x2 – 6x + 9 = 0 = (x – ____ )2
3
6
9
2
Complete the square in each of the following.
y2 + 12y + 36 = 0 = (y +____ )2
3
6
9
2
Complete the square in each of the following.
m2 + m + = (m + ____ )2
31
41
21
32
Complete the square in each of the following.
n2 – 0.6n + 0.09 = (n – ____ )2
0.4
0.6
0.9
0.3
