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🧮 algebra

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Factorise Cubic
1. The problem asks us to factorise the cubic polynomial $$x^3 + 8x^2 + 17x + 10$$ into linear factors. 2. To factorise, first try to find rational roots using the Rational Root Th
Smallest Fraction
1. State the problem: We need to find which fraction among $\frac{5}{9}$, $\frac{4}{7}$, $\frac{3}{5}$, $\frac{6}{11}$, and $\frac{13}{21}$ has the smallest value. 2. To compare fr
Fraction Sum
1. The problem asks us to evaluate the sum of fractions: $$\frac{1}{20} + \frac{1}{30} + \frac{1}{42} + \frac{1}{56} + \frac{1}{72} + \frac{1}{90} + \frac{1}{110}$$ 2. To add these
Nested Radicals Squared
1. The problem asks us to find the value of $$\left(4\sqrt{4} + 2\sqrt{3} - \sqrt{49 + 8 \sqrt{3}} \right)^2$$. 2. Start by simplifying the terms inside the parentheses:
Factor Quadratic
1. **State the problem:** Factor the quadratic expression $x^2 + 5x + 6$. 2. **Identify coefficients:** This is a quadratic in standard form $ax^2 + bx + c$, where $a=1$, $b=5$, an
Inequality Induction
1. Stating the problem: Prove that if $$ (1 + x)^n \geq 1 + nx $$ for $$ x > -1 $$ and $$ n \in \mathbb{N} $$, then $$ (1 + x)^{n+1} \geq 1 + (n+1)x $$. 2. Assume the induction hyp
Linear System Solving
1. Stating the problem: Solve the system of linear equations: $$-5x + 9y - 7y = 0$$
Square Expression
1. **State the problem:** Find the value of $$\left(4\sqrt{4} + 2\sqrt{3} - \sqrt{49 + 8\sqrt{3}}\right)^2.$$\n\n2. **Simplify the terms inside the parentheses:**\n- Calculate $$4\
Smallest Fraction
1. **State the problem:** We need to find which fraction among $\frac{5}{9}$, $\frac{4}{7}$, $\frac{3}{5}$, $\frac{6}{11}$, and $\frac{13}{21}$ has the smallest value. 2. **Method:
Fraction Sum
1. We start with the problem: Evaluate \( \frac{1}{20} + \frac{1}{30} + \frac{1}{42} + \frac{1}{56} + \frac{1}{72} + \frac{1}{90} + \frac{1}{110} \). 2. First, find a common denomi
Even Odd
1. Problem: For each function, find $f(-x)$ and $-f(-x)$, then compare with $f(x)$ to determine if the function is even, odd, or neither. 2. Function a) $f(x) = x^2 - 4$
Logarithm Rules
1. The **product rule** states that $\log_b(xy) = \log_b x + \log_b y$. This means the log of a product is the sum of the logs. 2. The **quotient rule** states that $\log_b\left(\f
Factor Polynomial
1. Stating the problem: We want to factor the expression $$x^4 + x^2$$. 2. Identify the common factor: Both terms have a factor of $$x^2$$.
Function Domains
1. We are asked to find the domain of each function given. The domain is the set of all real numbers $x$ for which the function is defined. 2. For (a) $f(x) = \sqrt{x+2}$, the expr
Expression Factoring
1. We are asked to factor each of the given expressions. 2. (a) Factor $4x^2 - 25$.
Function Comparisons
1. For the pair $f(x) = \frac{1}{x}$ and $g(x) = x$: - Common characteristic: Both are functions that are defined for all $x \neq 0$ (domain excludes zero for $f(x)$), and both are
Parabola Xaxis
1. **State the problem:** We need to find the values of $k$ for the quadratic function $$y = kx^2 + (k+3)x - 1$$ such that:\na) The graph cuts the x-axis twice (two distinct real r
Half Life Investment
1. We are given the half-life of mercury-210 as 600 seconds and an initial mass of 2500 grams. 2. We want to find the remaining mass after 17 minutes.
Fraction Usage
1. The user requested to use fractions instead of decimals or whole numbers in math problems. 2. Using fractions helps express quantities exactly, avoiding rounding errors common w
Solve 2B
1. Let's clarify the problem: You mentioned that for $2b$, 250 isn't a value but 260 is. 2. Assuming you want to find $b$ given a value such as 260 for $2b$, we start with the equa
Exponential Graph Solve
1. The problem asks us to graph the equation \( y = 2^{x-1} - 3 \). 2. This is an exponential function with base 2, shifted right by 1 unit and down by 3 units.