🧮 algebra
Step-by-step solutions with LaTeX - clean, fast, and student-friendly.
Cubic Eq Solutions
1. **State the problem:** We are given the cubic equation $$y=x^3 - 4x^2 + x + 8$$ and asked to find the values of $x$ when $$y=2$$.
2. **Set the equation equal to 2:**
No Equation
1. The problem is to solve for the variable in the given expression or equation (please provide the expression or equation to solve).
2. Since the expression/equation to solve was
Absolute Inequality
1. Statement of the problem:
We want to find all real numbers $x$ satisfying the inequality $|x - 2| < 3$ and represent this set on a number line.
Formula Manipulation
1. The problem is to understand the formula $U = qt\pi$ and possibly manipulate or evaluate it.
2. The formula relates three variables: $U$, $q$, and $t$, with the constant $\pi$ (
Equation U Qt Pi
1. The problem states the equation $u=qt \pi$, where $u$ is expressed in terms of $q$, $t$, and $\pi$.
2. To understand it, recognize that $\pi$ is a constant approximately equal t
X And Reciprocal
1. **Stating the problem:** Given the equation $$x^4 + 1 = \frac{5}{8} x^2$$, find the values of:
- $$x + \frac{1}{x}$$
Percentage Calculation
1. **State the problem:** We need to find 65% of 15.
2. **Convert percentage to decimal:** 65% means 65 out of 100, which is written as $0.65$.
Composite Function
1. **State the problem:** Given functions $f(x) = x^2 - 2x$ and $g(x) = 2x + 3$, and the equation $f \circ g^{-1}(x) = 3$, find the value of $x$.
2. **Find the inverse of $g$: **
Piecewise Functions
1. Let's start by defining a piecewise function. A piecewise function is defined by different expressions over different intervals of the domain.
2. Consider this example of a piec
Composite Functions
1. The problem gives two functions: $$g(x) = 2x+2$$ and $$f \circ g(x) = 8x+13$$. We need to find $$x$$ such that $$g \circ f(x) = 20$$.
2. First, understand the notation: $$f \cir
Earnings Spanish Sardines
1. **State the problem:** Mr. Sanchez buys $4\frac{3}{4}$ kg of fish to make Spanish sardines. Each can contains $\frac{1}{12}$ kg of fish. Each can is sold for 25 pesos. We need t
Earnings From Cans
1. The problem is to find how much money Mr. Sanchez will earn after selling all the cans of Spanish sardines he can make from 43/4 kg of fish. Each can contains 1/12 kg of fish an
Line 2X Minus 2
1. State the problem: We are given the set $S = \{(x,y) \mid x,y \in \mathbb{R} \text{ and } y = 2x - 2\}$, which represents points $(x,y)$ in the real plane satisfying the linear
Find A Value
1. **Problem restatement:** We want to find the value of $a$ such that the line $2x - 3y = 6$ passes through points $(9,-4)$ and $(6,a)$.
2. **Substitute first point into the line
Simple Solving
1. First, let's clarify what the "simple method" means in general terms: it's a straightforward approach to solving a problem without complicated steps.
2. For example, if you're s
Find A Value
1. Stating the problem: We have functions $f(x) = ax + 5$ and functions $f \circ g(x) = 8x + 13$, and are given that $g \circ f(5) = 8a$. We need to find the value of $a$.
2. Expre
Cube Root Value
1. The problem states that the cube root of $a$ equals the square root of 5, i.e., $\sqrt[3]{a} = \sqrt{5}$.
2. We want to find the value of $a$. To do this, we can cube both sides
Linear Function
1. The problem states: Given the function $y = 4x + 2$, find its characteristics and interpret its meaning.
2. This is a linear function where $y$ depends on $x$ with a slope of 4
Solve Exponential
1. Diberikan persamaan:
$$2(2^x - 1)x^2 + (2x^2 - 2)x = 2^{x+1} - 2$$
Math Cheat Sheet
1. **Aljafna (Equations)**
- **Title:** Algebraic Equations
Garden Cost
1. **State the problem:** We need to find two costs related to the garden: the cost of repairing the garden floor and the cost of constructing a wall around it.
2. **Given data:**