SOLVE FOR X
Solve: 4x+3=194x+3=194x+3=19
What is x=4 ?
Simplify: 6x+3x−46x+3x-46x+3x−4
What is 9x-4?
For y=2x−3, identify the slope and y-intercept. Then Graph.
Slope: 2 Y-Intercept: -3
[And correct Graph]
Find the domain and range: {(1,4),(2,4),(3,7)}
Domain: 1, 2, 3
Range: 4, 4, 7
A bowling alley charges $6 for shoe rental plus $4 per game. Jordan spends $22 total. How many games did Jordan play?
Jordan played 4 games
Solve: −3x+5=20-3x+5=20−3x+5=20
What is x = -5
Simplify: 4(2x−3)4(2x-3)4(2x−3)
What is 8x-12?
Simplify and Graph 3y = -12
y = -4
AND the correct graph
What is the domain and range of the linear equation 3x+5 = 10
The domain and range are ALL REAL NUMBERS
A taxi charges a $5 starting fee plus $3 per mile. The total ride costs $26. How many miles was the ride?
The ride was 7 miles long.
Solve: 5x−7=2x+145x-7=2x+145x−7=2x+14
What is x = 7
Simplify: −3(2x+5)+4x−7-3(2x+5)+4x-7−3(2x+5)+4x−7
What is -2x-22?
Simplify and Graph -4x = -20
x = -5
And correct graph
6+3[8−2(5−7)]
42
A school club already has $120 and earns $18 for every car it washes. How many cars must it wash to have $408 total?
It must wash 16 cars
Solve: 3(x−4)+5=2x+93(x-4)+5=2x+93(x−4)+5=2x+9
What is x = 16?
Simplify: 2(3x−4)−3(x+5)+72(3x-4)-3(x+5)+72(3x−4)−3(x+5)+7
What is 3x - 16?
Graph 2x+y=6. Rewrite it in slope-intercept form and identify the slope and y-intercept.
y = -2x + 6
Slope: -2, Y-Intercept: 6
And Correct Graph
Evaluate: 4{18÷[3(5−2)]+22}−7
17
A fundraiser SPENDS $65 on supplies and EARNS $8 for every item sold. How many items must be sold to make a profit of $255?
40 items
Solve: 4(2x−3)−5x=2(x+6)−94(2x-3)-5x=2(x+6)-94(2x−3)−5x=2(x+6)−9
What is x = 15?
Simplify: −2[3x−(4−x)]+5(x−2)-2[3x-(4-x)]+5(x-2)−2[3x−(4−x)]+5(x−2)
What is -3x - 2
Graph 6x−2y=8. Rewrite it in slope-intercept form and identify the slope + y-intercept.
y = 3x - 4
Slope: 3x, Y-Intercept: -4
And Correct Graph
Evaluate: 2^3*[15÷(7−4)−2] − 3[4−2(6−9)]
-6
Company A charges a $45 starting fee plus $7 per hour. Company B charges a $21 starting fee plus $11 per hour. After how many hours will they charge the same amount? What will the total be?
HINT: Write the equation so company A is on left side and company B is on right side. Then just solve for x! Plug x back into either side to get the total.
6 hours and the total is $87