A square is scaled by a factor of 3. What is the ratio of the new area to the original area? A. 3:1 B. 6:1 C. 9:1 D. 12:1 相关知识点: 试题来源: 解析 C。解析:正方形边长扩大 3 倍,面积扩大 9 倍,所以新面积与原面积的比是 9:1。
If you vertically stretch the exponential function by a factor of 3, what is the equation of the new function? ( )A. B. C. D. 答案 A相关推荐 1If you vertically stretch the exponential function by a factor of 3, what is the equation of the new function? ( )A. B. C. D. 反馈...
A. enlargement and rotation B. shift and flip C. stretch and turn D. dilation and inversion 相关知识点: 试题来源: 解析 A。本题考查对图形变换组合的理解。题目中先将图形放大两倍,即“enlargement”,然后旋转 180 度,即“rotation”,所以整体变换是“enlargement and rotation”。反馈...
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翻译：如果n和m是正整数，m是62的因子，那么 62=2x31 m is a factor of 62,=> m=1 or 2, or 31 or 62 n and m are positive integers 3n= 36/m m=1 =>n=12 m=2, =>n=6 m=31, =>n= 12/11 ( rej )m=62, =>n=6/31 (rej)the greatest possible number of integers...
百度试题 结果1 题目If x + 2 is a factor of , what is the value of b?相关知识点: 试题来源: 解析 7 7 反馈 收藏
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If a circle is enlarged by a factor of two, what happens to its area? A. It doubles. B. It triples. C. It quadruples. D. It remains the same. 相关知识点: 试题来源: 解析 C。本题考查圆的面积变化。当圆扩大两倍时,半径变为原来的两倍,根据圆的面积公式,面积变为原来的四倍。
If is an integer and is a factor of , what is the greatest possible value of ? ( ) A. B. C. D. E. 相关知识点: 试题来源: 解析 CDo the prime factorization:Since there are seven factors of , the greatest power of that is a factor is . ...
3 is a prime number 4 is a factor,25!=4*1*2*3*5*6*...*25 25!指的是25阶乘=25*24*...*1 5显然是factor 6,7,8,9,10,...,25显然都是factor 26=2*13也是 27=3*3*3，25!中有3和9，所以也是factor 28=4*7,factor 29是prime 30=3*10 31prime 32=4*8,factor 33=3...