🧮 algebra
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Simplify Expressions
1. **Nyatakan masalah:**
(a) Permudahkan ekspresi $\frac{8\sqrt{h} + 5\sqrt{k}}{\sqrt{h} - \sqrt{k}}$.
Rectangle Perimeter
1. **Problem 22:** Given a rectangle with length $x + 4$ and width $x - 2$, we need to:
a) Write the expression for the perimeter.
Piecewise Function
1. Тодорхойлолт: f(x) функц нь хоёр хэсэгтэй өгөгдсөн:
$$f(x) = \begin{cases} x+1, & \text{хэрэв } x \leq -1 \\ x^2, & \text{хэрэв } x > -1 \end{cases}$$
Variation Exponents
1. The problem asks to identify which equations represent inverse variation.
Inverse variation means $y$ varies inversely as $x$, so $y = \frac{k}{x^n}$ for some $n > 0$.
Simplify Expression
1. **State the problem:** Simplify the expression $\frac{1}{3} U_n + 1 - U_n + 3$.
2. **Rewrite the expression:** Combine like terms involving $U_n$ and constants separately:
Simplify Expression
1. **State the problem:** Simplify the expression $$\frac{1}{3} (U_n + 1) - U_n + 3$$.
2. **Write the expression clearly:** $$\frac{1}{3} (U_n + 1) - U_n + 3$$.
Line Slope
1. **State the problem:** Find the slope of the line passing through the points $(2,3)$ and $(5,9)$.
2. **Formula:** The slope $m$ of a line through points $(x_1,y_1)$ and $(x_2,y_
Simplify Fraction
1. **State the problem:** Simplify the expression $$\frac{\frac{1}{3}U_n + 1}{U_n + 3}$$ where $U_n$ is a variable or sequence term.
2. **Write the expression clearly:**
Line Intersection
1. **Problem Statement:** We have two lines intersecting at point $(0, 2)$ dividing the plane into 4 sections. We want to determine which section is shaded based on the given point
Inequality System
1. The problem is to analyze the system of inequalities:
$$y \geq 4x + 2$$
Simplify Fraction
1. **State the problem:** Simplify the expression $$\frac{\frac{1}{3}U_n + 1}{U_n + 3}$$ where $U_n$ is a variable.
2. **Rewrite the numerator:** The numerator is $$\frac{1}{3}U_n
Parallel Lines
1. **State the problem:** Find the equation of the line parallel to the given line and passing through the given point for each part (a to h).
2. **Formula and rules:**
Fraction Ratio Calculations
1. **Stating the problem:** We need to solve the fraction and ratio calculations given:
- Calculate $\frac{13}{2} \times \frac{5}{3}$
Fraction Operations
1. (a) Subtract the fractions $\frac{3}{4} - \frac{1}{7}$.
Step 1: Find a common denominator, which is $28$.
Square Root Expression
1. The problem is to simplify and evaluate $$(\sqrt{2} - 4\sqrt{3})^2$$.
2. We use the formula for the square of a binomial: $$(a - b)^2 = a^2 - 2ab + b^2$$.
Collinear Points
1. **State the problem:** We are given three points $P(-1, n-1)$, $Q(n, n-3)$, and $R(n-6, 3)$, and we need to find the value of $n$ such that these points are collinear.
2. **Form
Missing Problem
1. The problem is to solve the given information, but no specific equation or expression was provided.
2. To solve an algebraic problem, we need a clear equation or expression to w
Line Equations
1. **Problem Statement:** Find the equation of the straight line passing through each pair of points using the formula $y = mx + c$ where $m$ is the slope and $c$ is the y-intercep
Ligningslosning
1. La oss løse et enkelt algebraisk problem: Finn løsningen for ligningen $$2x + 3 = 7$$.
2. Formelen vi bruker er å isolere variabelen $x$. Det gjør vi ved å først trekke fra 3 på
Line Equation
1. **State the problem:** Find the equation of the line passing through points (-5, 3) and (2, 4).
2. **Formula:** The slope (gradient) $m$ of a line through points $(x_1, y_1)$ an
Linear Equation
1. The problem is to solve a linear equation using the formula $y = mx + c$, where $m$ is the slope and $c$ is the y-intercept.
2. The formula $y = mx + c$ represents a straight li