Semester 1 Review Day 1

 $8x-3\left(2x-4\right)=3\left(x-6\right)$  

What is the solution to the equation?

• 6

• 2

• 30

• No solution

 $0.75\left(x+20\right)=2+0.5\left(x-2\right)$  

Which value of x makes the equation true?

• 64

• -64

• 56

• -56

 $-5x-\left(-7-4x\right)=-2\left(3x-4\right)$  

What value of x makes the equation true?

• x = 3

• x = 5

•  $x\ =\ \frac{1}{3}$  

•  $x=\frac{1}{5}$  

 $0.3\left(12x-16\right)=0.4\left(12-3x\right)$  

What is the solution to the equation?

• -2

• 4

• 2

• -4

• -4 ≤ x < 2
• 0 ≤ y < 3
• -4 < x ≤ 2
• 0 ≤ y < 3

• y ≥ 4
• y ≤ 8
• y > -4
• y < 8

• {-4, 0, 2, 4 }
• -1 ≤ y ≤ 3
• { -1, 0, 1, 3 }
• -4 ≤ x ≤ 4

• -5 ≤ x ≤ -1
• -4 ≤ y ≤ 4
• { -4, 0, 2, 4 }
• { -5, -4, -3, -1 }

What is the domain of the graph?

• All real numbers
• To infinity and beyond
• y ≥ 0
• x ≥ 0

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point