Equation Questions Practice Question and Answer
8 Q: The factors of $$ x^2-2x-15 $$ are:
1811 05eccefc895b3a8677b0b160a
5eccefc895b3a8677b0b160a- 1(x+5) (x–3)false
- 2(x–5) (x–3)false
- 3(x–3) (x–1)false
- 4(x–5) (x+3)true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "(x–5) (x+3)"
Q: If $$ {4x^2}={25}^2-{15}^2 $$, then find the value of x.
1796 05ecceeeb7bb74b48ff93a84f
5ecceeeb7bb74b48ff93a84f- 110true
- 250false
- 3100false
- 425false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "10 "
Q: If α and β are the roots of the equation x2 + x - 1 = 0, then what is the equation whose roots are and α5 and β5 ?
1789 05f2117bf0fc7110ad91fb34e
5f2117bf0fc7110ad91fb34e- 1$$x^2 - 11x - 1 = 0 $$false
- 2$$x^2 + 11x - 1 = 0$$true
- 3$$x^2 + 7x - 1 = 0 $$false
- 4$$x^2 - 7x- 1 = 0 $$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "$$x^2 + 11x - 1 = 0$$"
Q: A root of equation $$({ax}^2+bx+c)$$ (where a, b and c are rational numbers) is 5 +3√3. What is the value of $$({a}^2+b^2+c^2) / (a+b+c) ? $$
1783 05d8c8f74e01f466533646ca5
5d8c8f74e01f466533646ca5- 135/3false
- 237/3false
- 3-105/11true
- 4-105/13false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "-105/11"
Q: (3x-7)3+(3x-8)3+(3x+6)3=3(3x-7)(3x-8)(3x+6)
Find the value of x ?
1783 05e7f351aa874324f6e0ba001
5e7f351aa874324f6e0ba001Find the value of x ?
- 13false
- 21true
- 34false
- 42false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "1 "
Q: If one root of the equation Ax2+Bx+C = 0 is two and a half times the others, then which of the following is TRUE?
1767 05dca48a8582669277c295def
5dca48a8582669277c295def- 1$$7B^2= 3 CA $$false
- 2$$7B^2 = 4 CA$$false
- 3$$7B^2 = 36 CA $$false
- 4$$10B^2 = 49 CA $$true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "$$10B^2 = 49 CA $$"
Q: Solve: 0.05 × 0.4
1752 05ebcc07d1c43d211834b3959
5ebcc07d1c43d211834b3959- 12false
- 20.02true
- 30.2false
- 40.002false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "0.02 "
Q:Direction: In the following questions two equations numbered I and II are given. You have to solve both the equations and Give answer
Give answer (A) If x > y
Give answer (B) if x ≥ y
Give answer (C) if x<y
Give answer (D) If x ≤ y
Give answer (E) if x=y or the relationship cannot be established.
I. 2x2+11x+12=0
II. 5y2+27y+10=0
1712 05da06ed277652578d4f056ca
5da06ed277652578d4f056caGive answer (B) if x ≥ y
Give answer (C) if x<y
Give answer (D) If x ≤ y
Give answer (E) if x=y or the relationship cannot be established.
II. 5y2+27y+10=0
- 1Afalse
- 2Bfalse
- 3Cfalse
- 4Dfalse
- 5Etrue
- Show AnswerHide Answer
- Workspace
- SingleChoice

