Solving Linear Equations and Functions

The video tutorial covers solving equations to find variable values, matching equations to solutions and stories, calculating weight gain of a baby giraffe, determining the number of players in soccer teams, calculating population growth percentage, and determining gas tank capacity using percentages. Each problem is explained step-by-step, with real-world applications and stories to enhance understanding.

What is the value of 'a' if 3 times 'a' equals negative thirty?

• 10

• 30

• -10

• -30

In the equation 5x - 7 = 3, what does 'x' equal?

• 1

• 2

• 3

• 4

What is the solution to the equation 7 = 3(5 + x)?

• -5

• 8/3

• 5

• -8/3

If the temperature is represented by 'x' and it tripled and rose by 5 degrees to equal -7, what is 'x'?

• -1

• -2

• -3

• -4

In the equation y = mx + b, if a baby giraffe's weight increased to 538 pounds over 7 months, what is the monthly weight gain?

• 48 pounds

• 58 pounds

• 68 pounds

• 78 pounds

How many players are on each team if 6 teams have 2 players leave each, leaving 78 players on the field?

• 13

• 15

• 14

• 12

What percentage did the population grow if it increased from 960 to 1200?

• 15%

• 20%

• 25%

• 30%

If a truck's gas tank holds 30 gallons, how many gallons does a passenger car hold if it holds 50% less?

• 25 gallons

• 20 gallons

• 15 gallons

• 10 gallons

What is half of 30 gallons?

• 20 gallons

• 15 gallons

• 25 gallons

• 10 gallons

If a population grows by 25%, what is the new population if the original was 960?

• 1000

• 1100

• 1200

• 1300