🧮 algebra
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Polynomial Operations
**Problem Set 3.2: Addition and Subtraction of Polynomials**
1. Add $(3m - 5k - h) + (-6m + 4k - 5h)$
Solve Inequality
1. Let's state the problem: Solve the inequality $$\frac{2 - x}{2} > -1$$.
2. Multiply both sides by 2 (which is positive, so inequality direction remains the same):
Sequence Analysis
1. **Problem Statement:** We are given a sequence defined by the general term $$x_n = \frac{5n + 6}{5n}$$ and asked to analyze it.
2. **Simplify the expression:**
Simplify Exponents
1. Simplify the expression $$\frac{2^{10} \cdot 3^{15}}{9 \cdot 3^{10} \cdot 12}$$
- Rewrite the bases: $$9 = 3^2, \quad 12 = 2^2 \cdot 3$$
Exponent Simplify
1. Simplify $2^4 \cdot 2^{-1}$.
Using the exponent rule $a^m \cdot a^n = a^{m+n}$:
Plant Prices
1. **State the problem:**
Kialani sells orchids and lilies at different prices. We know:
Limit Absolute
1. Diketahui fungsi $f(x) = \frac{|9-3x|}{x-3}$.
2. Kita akan meninjau limit $f(x)$ ketika $x \to 3$ dari kiri ($3-$) dan dari kanan ($3+$).
Identify Coefficients
1. The problem is to identify coefficients $a$, $b$, and $c$ for each quadratic equation.
2. For $x^2 + x - 6 = 0$, rewrite the equation as is: $a=1$, $b=1$, $c=-6$.
Limit Fungsi Pecahan
1. Diberikan fungsi pecahan \(f(x) = \begin{cases} x^2 - a, & x < 2 \\ x + a, & x > 2 \end{cases}\). Kita diminta menentukan nilai \(a\) agar limit \(\lim_{x \to 2} f(x)\) ada.
2.
Solve Quadratic
1. The problem is to solve the quadratic equation $$x^2 - 2x - 15 = 0$$.
2. To solve this quadratic, we can factor the quadratic expression on the left side.
Quadratic Solution
1. The problem is to solve the quadratic equation $$2x^2 - 6x + 1 = 0$$.
2. We will use the quadratic formula: $$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$ where $a = 2$, $b = -6$, a
Solve Linear Equation
1. State the problem: Solve the equation $$2x - 3 = \frac{3x - 5}{4}$$ for $x$.
2. Eliminate the denominator by multiplying both sides of the equation by 4:
Term Count
1. Mukhang may nais kang linawin tungkol sa bilang ng mga termino sa isang mathematical expression.
2. Karaniwan, kapag sinabing "6 term," ibig sabihin nito ay may anim na magkahiw
Solve Quadratic
1. State the problem: Solve the quadratic equation $$2x^2 = 1 - 2x$$.
2. Rearrange all terms to one side to set the equation to 0:
Recurrence Sequence
1. **State the problem:**
We are given a recurrence relation
Quadratic Complex
1. State the problem: Solve the quadratic equation $$2x^2 + 8x + 12 = 0.$$\n\n2. Start by finding the discriminant $$\Delta$$ which tells us the nature of the roots: $$\Delta = b^2
Quadratic Solutions
1. Solve $x^2 - 2x - 15 = 0$ using quadratic formula:
$$a=1, b=-2, c=-15$$
Manual Sum Explanation
1. To provide a detailed explanation without using sigma notation, I will break down the process into clear, numbered steps.
2. Sigma notation ($\sum$) is a compact way of represen
Binomial Sum
1. **State the problem:** Prove that the sum of binomial coefficients from 0 to n equals $2^n$, i.e.,
$$\sum_{r=0}^n {n \choose r} = 2^n.$$
Variation Types
1. **Problem Statement:**
Consider the following scenarios:
Solve Log Exponents
1. **State the problem:** Solve the simultaneous equations:
$$2\log y = \log 2 + \log x$$