WorksheetsQuadratic Equations - Gr 10
Total questions: 10
Worksheet time: 11mins
Solve the following quadratic equation...
x2 + 9x + 20 = 0
x = -2
x = -10
x = -5
x = -4
x = -1
x = -20
x = 4
x = 5
2x2 - 9x - 35 = 0
If 21 is a root of the equation x2 + kx − 45 then the value of k is
2
-2
3
-3
A quadratic equation ax2+bx+c=0 has no real roots if
b2−4ac>0
b2−4ac<0
b2−4ac=0
b2−4ac=1
State True of False : Every quadratic equation has exactly one root
TRUE
FALSE
A lending library has a fixed charge for the first three days and an additional charge for each day thereafter. Saritha paid Rs.27 for a book kept for seven days, while Susy paid Rs.21 for the book she kept for five days. Find the fixed charge and the charge for each extra day.
Standard form of quadratic equation is
ax + bx + c = 0
ax² + bx + c = 0
ax² + bx - c = 0
ax² + bx + c = −1
The equation 2x² + kx + 3 = 0 has two equal roots, then the value of k is
±√6
± 4
±3√2
±2√6
If -5 is a root of the quadratic equation 2x² + px – 15 = 0, then
p = 3
p = 5
p = 7
p = 1
