🧮 algebra
Step-by-step solutions with LaTeX - clean, fast, and student-friendly.
Quadratic Solution
1. The problem is to solve the equation $x^2 - 5x + 6 = 0$.
2. We use the quadratic formula or factorization to solve quadratic equations. The quadratic formula is $$x = \frac{-b \
Power Repeated
1. The problem asks to express $-8$ raised to the power of 4 in repeated multiplication form without evaluating it.
2. The general rule for powers is: $a^n = a \times a \times \cdo
Domain Range
1. **Problem Statement:** Find the domain and range of the function $f$. Since the function $f$ is not explicitly given, let's consider a general approach to find domain and range.
Evaluate Expressions
1. Evaluate each expression step-by-step.
### a) $7^2 + (-2)^3 \div (-2)^2$
Exponential Evaluation
1. **State the problem:** Calculate the value of the expression $2e^0 (1-0)$.
2. **Recall the formula and rules:**
Multiplication By One
1. The problem is to understand why the multiplication $2 \times 1 \times 1 = 2$.\n\n2. The formula used here is the multiplication of numbers, which means combining quantities. Th
Function Subtraction
1. **State the problem:** We need to find the expression for $f_1(x) - g_1(x)$ given $f_1(x) = 4 + 0.50x$ and $g_1(x) = 3 + 0.45x$.
2. **Write the subtraction:**
Blue Cars
1. **State the problem:** A factory produces 1200 cars per week, and 2% of these cars are painted blue. We need to find how many blue cars are produced each week.
2. **Formula used
Fraction Of Number
1. **State the problem:** Calculate $\frac{3}{4}$ of 16.
2. **Formula used:** To find a fraction of a number, multiply the fraction by the number.
Percentage People
1. **State the problem:** Mason asked 175 people if they can speak more than one language. 36% said they can. We need to find how many people that is.
2. **Formula used:** To find
Function Evaluation
1. **State the problem:** Evaluate the function $f(x) = 300 + 0.68(600 - 600)$.\n\n2. **Understand the expression:** The function involves a constant term 300 and a product of 0.68
Rational Numbers Insertion
1. **Problem 1:** Insert two rational numbers between (i) $\frac{2}{7}$ and $\frac{3}{4}$, (ii) $\frac{5}{6}$ and $\frac{3}{8}$.
**Step 1:** Understand that rational numbers betwee
Modulus Square Difference
1. Let's state the problem: We want to understand why $$|x| + |y|$$ squared is different from $$|x + y|$$ squared.
2. The expressions are:
Sqrt Fraction Minus X
1. **State the problem:** Simplify and analyze the expression $$\sqrt{\frac{X+3}{2}} - X$$.
2. **Recall the formula and rules:** The square root function $$\sqrt{y}$$ is defined fo
Solve Square Root
1. **State the problem:** Solve the equation $$\sqrt{\frac{X+3}{2}} - 2 = 0$$ for $X$.
2. **Isolate the square root:** Add 2 to both sides to get $$\sqrt{\frac{X+3}{2}} = 2$$.
Solve Linear Equation
1. **State the problem:** Solve the equation $5x + \frac{6}{3} + \frac{3}{2} + x = 2x$ for $x$.
2. **Simplify the fractions:**
Solve Linear Equation
1. **State the problem:** Solve the equation $5x + \frac{3}{6} + \frac{3}{2} + x = 2x$ for $x$.
2. **Combine like terms and simplify fractions:**
Simplify Linear Expression
1. **State the problem:** Simplify the expression $4.57x + 3.655x + 1.911x$.
2. **Formula and rule:** When adding terms with the same variable, add their coefficients.
Simplify Like Terms
1. **State the problem:** Simplify the expression $4.57x + 3.655x + 1.911x$.
2. **Formula used:** When adding like terms, add their coefficients and keep the variable the same: $$a
Simplify Linear Expression
1. **State the problem:** Simplify the expression $4.57x + 3.655x + 1.911x$.
2. **Formula and rules:** When adding terms with the same variable, add their coefficients.
Simplify Linear Expression
1. **State the problem:** Simplify the expression $4.57x + 3.655x + 1.911x$.
2. **Formula and rules:** When adding terms with the same variable, add their coefficients.