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Algebra 1

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shamus
13 diapositives · 321 Views · Aug 16, 2014

Algebra 1. Warm-up 23. Four boys were running a race. Regi ran faster than Sam and only one runner was between Jorge and Eli. Jorge was not first. Which of the following could be the order they finished the race? Regi, Sam, Jorge, and Eli Sam, Regi, Eli, Jorge Eli, Regi, Jorge, Sam

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Algebra 1
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  1. Algebra 1 Warm-up 23

  2. Four boys were running a race. Regi ran faster than Sam and only one runner was between Jorge and Eli. Jorge was not first. Which of the following could be the order they finished the race? • Regi, Sam, Jorge, and Eli • Sam, Regi, Eli, Jorge • Eli, Regi, Jorge, Sam • Eli, Jorge, Regi, Sam

  3. 2. A ball has been deflated so that its radius is reduced by 10%. Which of the following is correct? • The surface area is 10% of the original. • The volume is 81% of the original. • The volume is reduced by 20%. • The surface area is reduced by 19%

  4. 3. A farmer bought a tractor for $8500 and spends an average of $75 per month on diesel. What is the total expenses, E, for n number of years? • E = 8500 + 75(n) • E = 8500 + 75(12n) • E = (8500 + 75)(n) • E = (8500)(75)(12n)

  5. 4. A dress shop advertises a sidewalk sale, everything is 40% off. Which equation best represents the total price, T, of and item with an original price, x and sales tax of 8 ½ %? • T = (1 – 0.4)(1 + 0.085)x • T = (1 – 0.4)(1 – 0.085)x • T = (1 + 0.4)(1 – 0.085)x • T = (1 – 0.4x)(1 – 0.085x)

  6. 5. Coach Thomas brought sports drinks to the game. He only had red, blue, and orange. 30% are red, 50% are orange and 4 of the drinks are blue. What is the probability of choosing a blue?

  7. 6. Coach Thomas brought sports drinks to the game. He only had red, blue, and orange. 30% are red, 50% are orange and 4 of the drinks are blue. What is the probability of choosing a red, not replacing it, and then choosing an orange?

  8. 7. The following graph shows the relationship between the number of sodas sold at a game and the amount of profit. What is the y-intercept? • -3 • -15 • -20 • -30

  9. 8. The following graph shows the relationship between the number of sodas sold at a game and the amount of profit. Which is a correct conclusion? • The rate of change is $2 per soda. • The initial cost is $20. • They first make a profit at 20 sodas. • They break even at 30 sodas.

  10. 9. On the first night of the Summer Festival, you can buy a wristband for $15, which covers admission and unlimited rides. Otherwise you may pay $8 for admission and $1 for 3 rides. Which of the following statements is correct for x number of rides? • For x > 21 rides, the wristband costs less. • For x = 21 rides, the cost is the same. • For x < 21 rides, the regular price costs less. • For x > 21 rides, the regular price costs less.

  11. 10. A line passes through points L and M, shown on the graph. What is the y-intercept for this line? • 2 • 2.2 • 2.4 • 2.5

  12. A1warmup23 • C, obj 10, 8.16A • D, obj 8, 8.10A • B, obj 1, A.1A (Ab1C) • A, obj 10, 8.14B • A, obj 9, 8.11A • D, obj 9, 8.11A • D, obj 3, A.6B (Ac2B) • A, obj 3, A.6B (Ac2B) • B, obj 10, 8.14B • C, obj 3, A.6E (Ac2E)