Topic 2-1 Remediation

Graph the equation: 1/2x-4

What equation matches the graph?

• y=2x+4

• y=4x-2

• y=-2x+4

• y=-4x+2

Write the equation for the line in slope-intercept form that passes through the points (-1, -2) and (3, 4)

• y=-1/2x+4

• y=3/2x-1/2

• y=1/2x-3/2

• y=-2x-1

Mr. C's YouTube Channel starts with 160 subscribers. His subscriptions grow by 10 subscribers per week. What equation finds the number of subscribers, y, on week, x.

• y=x+160

• y=10+160

• y=160x+10

• y=10x+160

Mr. C's YouTube Channel starts with 160 subscribers. His subscriptions grow by 10 subscribers per week. Using the correct equation from the following question: How many subscribers does Mr. C have on week 5?

• 200

• 210

• 300

• 120

Mr. C's YouTube Channel starts with 160 subscribers. His subscriptions grow by 10 subscribers per week. Using the correct equation from the following question: In how many weeks will he have over 200 subscribers?

• 2

• 3

• 4

• 6

Francis grows bamboo shoots in his back yard. The plants are 6 cm when he plants them. Each day they grow 1 cm. The equation y=x+6 represents the total height of the plant, y, on each day, x. The equation is graphed to the left.

How tall is Francis' plant on day 3?

• 4 cm

• 9 cm

• 1 cm

• 6 cm

Francis grows bamboo shoots in his back yard. The plants are 6 cm when he plants them. Each day they grow 1 cm. The equation y=x+6 represents the total height of the plant, y, on each day, x. The equation is graphed to the left.

On what day is the plant 9 cm tall?

• day 3

• day 4

• day 5

• day 6